Home / 838,121,650,278.80-1,156,823,075,627.70-545,874,825,875.80

Finding the Fourth Proportional to 838,121,650,278.80, 1,156,823,075,627.70 and 545,874,825,875.80

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Solution

The fourth proportional to 838,121,650,278.80, 1,156,823,075,627.70 and 545,874,825,875.80 is: 753,447,419,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,121,650,278.80 : 1,156,823,075,627.70 = 545,874,825,875.80 : x
  2. Step 2: Convert to fraction form
    838,121,650,278.80/1,156,823,075,627.70 = 545,874,825,875.80/x
  3. Step 3: Cross multiply
    838,121,650,278.80x = 1,156,823,075,627.70 × 545,874,825,875.80
  4. Step 4: Simplify right side
    838,121,650,278.80x = 631,480,594,977,378,118,139,904
  5. Step 5: Solve for x
    x = 631,480,594,977,378,118,139,904/838,121,650,278.80
  6. Step 6: Final answer
    x = 753,447,419,914.90

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Double scale
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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.