Home / 588,799,368.81-812,519,472.23-320,869,511.83

Finding the Fourth Proportional to 588,799,368.81, 812,519,472.23 and 320,869,511.83

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Solution

The fourth proportional to 588,799,368.81, 812,519,472.23 and 320,869,511.83 is: 442,787,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,799,368.81 : 812,519,472.23 = 320,869,511.83 : x
  2. Step 2: Convert to fraction form
    588,799,368.81/812,519,472.23 = 320,869,511.83/x
  3. Step 3: Cross multiply
    588,799,368.81x = 812,519,472.23 × 320,869,511.83
  4. Step 4: Simplify right side
    588,799,368.81x = 260,712,726,406,809,344
  5. Step 5: Solve for x
    x = 260,712,726,406,809,344/588,799,368.81
  6. Step 6: Final answer
    x = 442,787,034.46

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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.