Home / 501,472,123.29-748,831,376.21-409,538,366.15

Finding the Fourth Proportional to 501,472,123.29, 748,831,376.21 and 409,538,366.15

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Solution

The fourth proportional to 501,472,123.29, 748,831,376.21 and 409,538,366.15 is: 611,549,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,472,123.29 : 748,831,376.21 = 409,538,366.15 : x
  2. Step 2: Convert to fraction form
    501,472,123.29/748,831,376.21 = 409,538,366.15/x
  3. Step 3: Cross multiply
    501,472,123.29x = 748,831,376.21 × 409,538,366.15
  4. Step 4: Simplify right side
    501,472,123.29x = 306,675,178,329,107,520
  5. Step 5: Solve for x
    x = 306,675,178,329,107,520/501,472,123.29
  6. Step 6: Final answer
    x = 611,549,803.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.