Home / 484,657,613,960.34-726,986,420,990.55-161,960,427,513.78

Finding the Fourth Proportional to 484,657,613,960.34, 726,986,420,990.55 and 161,960,427,513.78

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Solution

The fourth proportional to 484,657,613,960.34, 726,986,420,990.55 and 161,960,427,513.78 is: 242,940,641,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,657,613,960.34 : 726,986,420,990.55 = 161,960,427,513.78 : x
  2. Step 2: Convert to fraction form
    484,657,613,960.34/726,986,420,990.55 = 161,960,427,513.78/x
  3. Step 3: Cross multiply
    484,657,613,960.34x = 726,986,420,990.55 × 161,960,427,513.78
  4. Step 4: Simplify right side
    484,657,613,960.34x = 117,743,031,540,342,329,442,304
  5. Step 5: Solve for x
    x = 117,743,031,540,342,329,442,304/484,657,613,960.34
  6. Step 6: Final answer
    x = 242,940,641,287.39

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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.