Home / 838,121,650,277.30-1,156,823,075,625.60-545,874,825,874.30

Finding the Fourth Proportional to 838,121,650,277.30, 1,156,823,075,625.60 and 545,874,825,874.30

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Solution

The fourth proportional to 838,121,650,277.30, 1,156,823,075,625.60 and 545,874,825,874.30 is: 753,447,419,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,121,650,277.30 : 1,156,823,075,625.60 = 545,874,825,874.30 : x
  2. Step 2: Convert to fraction form
    838,121,650,277.30/1,156,823,075,625.60 = 545,874,825,874.30/x
  3. Step 3: Cross multiply
    838,121,650,277.30x = 1,156,823,075,625.60 × 545,874,825,874.30
  4. Step 4: Simplify right side
    838,121,650,277.30x = 631,480,594,974,496,597,737,472
  5. Step 5: Solve for x
    x = 631,480,594,974,496,597,737,472/838,121,650,277.30
  6. Step 6: Final answer
    x = 753,447,419,912.81

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Double scale
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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.