Home / 39,690,488,919.36-59,547,350,959.36-12,798,515,876.96

Finding the Fourth Proportional to 39,690,488,919.36, 59,547,350,959.36 and 12,798,515,876.96

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Solution

The fourth proportional to 39,690,488,919.36, 59,547,350,959.36 and 12,798,515,876.96 is: 19,201,519,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690,488,919.36 : 59,547,350,959.36 = 12,798,515,876.96 : x
  2. Step 2: Convert to fraction form
    39,690,488,919.36/59,547,350,959.36 = 12,798,515,876.96/x
  3. Step 3: Cross multiply
    39,690,488,919.36x = 59,547,350,959.36 × 12,798,515,876.96
  4. Step 4: Simplify right side
    39,690,488,919.36x = 762,117,716,684,278,202,368
  5. Step 5: Solve for x
    x = 762,117,716,684,278,202,368/39,690,488,919.36
  6. Step 6: Final answer
    x = 19,201,519,997.21

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1.5x scale

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.