Home / 487,417,705.27-731,099,646.02-356,394,248.19

Finding the Fourth Proportional to 487,417,705.27, 731,099,646.02 and 356,394,248.19

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Solution

The fourth proportional to 487,417,705.27, 731,099,646.02 and 356,394,248.19 is: 534,571,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,417,705.27 : 731,099,646.02 = 356,394,248.19 : x
  2. Step 2: Convert to fraction form
    487,417,705.27/731,099,646.02 = 356,394,248.19/x
  3. Step 3: Cross multiply
    487,417,705.27x = 731,099,646.02 × 356,394,248.19
  4. Step 4: Simplify right side
    487,417,705.27x = 260,559,708,696,164,032
  5. Step 5: Solve for x
    x = 260,559,708,696,164,032/487,417,705.27
  6. Step 6: Final answer
    x = 534,571,694.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.