Home / 39,690,488,932.72-59,547,350,979.42-12,798,515,890.36

Finding the Fourth Proportional to 39,690,488,932.72, 59,547,350,979.42 and 12,798,515,890.36

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Solution

The fourth proportional to 39,690,488,932.72, 59,547,350,979.42 and 12,798,515,890.36 is: 19,201,520,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,488,932.72 : 59,547,350,979.42 = 12,798,515,890.36 : x
  2. Step 2: Convert to fraction form
    39,690,488,932.72/59,547,350,979.42 = 12,798,515,890.36/x
  3. Step 3: Cross multiply
    39,690,488,932.72x = 59,547,350,979.42 × 12,798,515,890.36
  4. Step 4: Simplify right side
    39,690,488,932.72x = 762,117,717,738,951,016,448
  5. Step 5: Solve for x
    x = 762,117,717,738,951,016,448/39,690,488,932.72
  6. Step 6: Final answer
    x = 19,201,520,017.32

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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.