Home / 3,986,386,781.49-5,501,371,131.32-2,292,838,731.27

Finding the Fourth Proportional to 3,986,386,781.49, 5,501,371,131.32 and 2,292,838,731.27

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Solution

The fourth proportional to 3,986,386,781.49, 5,501,371,131.32 and 2,292,838,731.27 is: 3,164,207,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,386,781.49 : 5,501,371,131.32 = 2,292,838,731.27 : x
  2. Step 2: Convert to fraction form
    3,986,386,781.49/5,501,371,131.32 = 2,292,838,731.27/x
  3. Step 3: Cross multiply
    3,986,386,781.49x = 5,501,371,131.32 × 2,292,838,731.27
  4. Step 4: Simplify right side
    3,986,386,781.49x = 12,613,756,804,969,689,088
  5. Step 5: Solve for x
    x = 12,613,756,804,969,689,088/3,986,386,781.49
  6. Step 6: Final answer
    x = 3,164,207,964.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.