Home / 424,632,948.38-636,986,205.21-129,594,444.59

Finding the Fourth Proportional to 424,632,948.38, 636,986,205.21 and 129,594,444.59

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Solution

The fourth proportional to 424,632,948.38, 636,986,205.21 and 129,594,444.59 is: 194,402,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,632,948.38 : 636,986,205.21 = 129,594,444.59 : x
  2. Step 2: Convert to fraction form
    424,632,948.38/636,986,205.21 = 129,594,444.59/x
  3. Step 3: Cross multiply
    424,632,948.38x = 636,986,205.21 × 129,594,444.59
  4. Step 4: Simplify right side
    424,632,948.38x = 82,549,873,475,681,728
  5. Step 5: Solve for x
    x = 82,549,873,475,681,728/424,632,948.38
  6. Step 6: Final answer
    x = 194,402,892.64

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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.