Home / 454,108,923.20-681,163,384.80-310,781,691.20

Finding the Fourth Proportional to 454,108,923.20, 681,163,384.80 and 310,781,691.20

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Solution

The fourth proportional to 454,108,923.20, 681,163,384.80 and 310,781,691.20 is: 466,172,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,108,923.20 : 681,163,384.80 = 310,781,691.20 : x
  2. Step 2: Convert to fraction form
    454,108,923.20/681,163,384.80 = 310,781,691.20/x
  3. Step 3: Cross multiply
    454,108,923.20x = 681,163,384.80 × 310,781,691.20
  4. Step 4: Simplify right side
    454,108,923.20x = 211,693,108,711,660,352
  5. Step 5: Solve for x
    x = 211,693,108,711,660,352/454,108,923.20
  6. Step 6: Final answer
    x = 466,172,536.80

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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.