Home / 424,437,456.64-636,656,143.92-117,729,582.88

Finding the Fourth Proportional to 424,437,456.64, 636,656,143.92 and 117,729,582.88

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Solution

The fourth proportional to 424,437,456.64, 636,656,143.92 and 117,729,582.88 is: 176,594,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,437,456.64 : 636,656,143.92 = 117,729,582.88 : x
  2. Step 2: Convert to fraction form
    424,437,456.64/636,656,143.92 = 117,729,582.88/x
  3. Step 3: Cross multiply
    424,437,456.64x = 636,656,143.92 × 117,729,582.88
  4. Step 4: Simplify right side
    424,437,456.64x = 74,953,262,261,690,848
  5. Step 5: Solve for x
    x = 74,953,262,261,690,848/424,437,456.64
  6. Step 6: Final answer
    x = 176,594,362.94

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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.