Home / 454,348,910.80-681,523,366.20-147,672,024.40

Finding the Fourth Proportional to 454,348,910.80, 681,523,366.20 and 147,672,024.40

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Solution

The fourth proportional to 454,348,910.80, 681,523,366.20 and 147,672,024.40 is: 221,508,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,348,910.80 : 681,523,366.20 = 147,672,024.40 : x
  2. Step 2: Convert to fraction form
    454,348,910.80/681,523,366.20 = 147,672,024.40/x
  3. Step 3: Cross multiply
    454,348,910.80x = 681,523,366.20 × 147,672,024.40
  4. Step 4: Simplify right side
    454,348,910.80x = 100,641,935,162,656,544
  5. Step 5: Solve for x
    x = 100,641,935,162,656,544/454,348,910.80
  6. Step 6: Final answer
    x = 221,508,036.60

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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.