Home / 39,690,488,918.36-59,547,350,957.86-12,798,515,875.96

Finding the Fourth Proportional to 39,690,488,918.36, 59,547,350,957.86 and 12,798,515,875.96

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Solution

The fourth proportional to 39,690,488,918.36, 59,547,350,957.86 and 12,798,515,875.96 is: 19,201,519,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,488,918.36 : 59,547,350,957.86 = 12,798,515,875.96 : x
  2. Step 2: Convert to fraction form
    39,690,488,918.36/59,547,350,957.86 = 12,798,515,875.96/x
  3. Step 3: Cross multiply
    39,690,488,918.36x = 59,547,350,957.86 × 12,798,515,875.96
  4. Step 4: Simplify right side
    39,690,488,918.36x = 762,117,716,605,758,603,264
  5. Step 5: Solve for x
    x = 762,117,716,605,758,603,264/39,690,488,918.36
  6. Step 6: Final answer
    x = 19,201,519,995.72

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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.