Home / 39,690,488,933.72-59,547,350,980.92-12,798,515,891.36

Finding the Fourth Proportional to 39,690,488,933.72, 59,547,350,980.92 and 12,798,515,891.36

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Solution

The fourth proportional to 39,690,488,933.72, 59,547,350,980.92 and 12,798,515,891.36 is: 19,201,520,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,488,933.72 : 59,547,350,980.92 = 12,798,515,891.36 : x
  2. Step 2: Convert to fraction form
    39,690,488,933.72/59,547,350,980.92 = 12,798,515,891.36/x
  3. Step 3: Cross multiply
    39,690,488,933.72x = 59,547,350,980.92 × 12,798,515,891.36
  4. Step 4: Simplify right side
    39,690,488,933.72x = 762,117,717,817,696,059,392
  5. Step 5: Solve for x
    x = 762,117,717,817,696,059,392/39,690,488,933.72
  6. Step 6: Final answer
    x = 19,201,520,018.82

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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.