Home / 746,877,531.38-1,030,781,373.30-425,083,737.83

Finding the Fourth Proportional to 746,877,531.38, 1,030,781,373.30 and 425,083,737.83

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Solution

The fourth proportional to 746,877,531.38, 1,030,781,373.30 and 425,083,737.83 is: 586,666,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,877,531.38 : 1,030,781,373.30 = 425,083,737.83 : x
  2. Step 2: Convert to fraction form
    746,877,531.38/1,030,781,373.30 = 425,083,737.83/x
  3. Step 3: Cross multiply
    746,877,531.38x = 1,030,781,373.30 × 425,083,737.83
  4. Step 4: Simplify right side
    746,877,531.38x = 438,168,399,047,904,512
  5. Step 5: Solve for x
    x = 438,168,399,047,904,512/746,877,531.38
  6. Step 6: Final answer
    x = 586,666,997.79

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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.