Home / 424,366,086.35-636,549,158.72-117,658,207.73

Finding the Fourth Proportional to 424,366,086.35, 636,549,158.72 and 117,658,207.73

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Solution

The fourth proportional to 424,366,086.35, 636,549,158.72 and 117,658,207.73 is: 176,487,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,366,086.35 : 636,549,158.72 = 117,658,207.73 : x
  2. Step 2: Convert to fraction form
    424,366,086.35/636,549,158.72 = 117,658,207.73/x
  3. Step 3: Cross multiply
    424,366,086.35x = 636,549,158.72 × 117,658,207.73
  4. Step 4: Simplify right side
    424,366,086.35x = 74,895,233,148,920,016
  5. Step 5: Solve for x
    x = 74,895,233,148,920,016/424,366,086.35
  6. Step 6: Final answer
    x = 176,487,319.69

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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.