Home / 838,121,650,275.30-1,156,823,075,622.80-545,874,825,872.30

Finding the Fourth Proportional to 838,121,650,275.30, 1,156,823,075,622.80 and 545,874,825,872.30

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Solution

The fourth proportional to 838,121,650,275.30, 1,156,823,075,622.80 and 545,874,825,872.30 is: 753,447,419,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,121,650,275.30 : 1,156,823,075,622.80 = 545,874,825,872.30 : x
  2. Step 2: Convert to fraction form
    838,121,650,275.30/1,156,823,075,622.80 = 545,874,825,872.30/x
  3. Step 3: Cross multiply
    838,121,650,275.30x = 1,156,823,075,622.80 × 545,874,825,872.30
  4. Step 4: Simplify right side
    838,121,650,275.30x = 631,480,594,970,654,481,055,744
  5. Step 5: Solve for x
    x = 631,480,594,970,654,481,055,744/838,121,650,275.30
  6. Step 6: Final answer
    x = 753,447,419,910.02

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.