Home / 454,007,712.20-681,107,213.10-147,275,875.40

Finding the Fourth Proportional to 454,007,712.20, 681,107,213.10 and 147,275,875.40

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Solution

The fourth proportional to 454,007,712.20, 681,107,213.10 and 147,275,875.40 is: 220,944,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,007,712.20 : 681,107,213.10 = 147,275,875.40 : x
  2. Step 2: Convert to fraction form
    454,007,712.20/681,107,213.10 = 147,275,875.40/x
  3. Step 3: Cross multiply
    454,007,712.20x = 681,107,213.10 × 147,275,875.40
  4. Step 4: Simplify right side
    454,007,712.20x = 100,310,661,050,556,848
  5. Step 5: Solve for x
    x = 100,310,661,050,556,848/454,007,712.20
  6. Step 6: Final answer
    x = 220,944,839.38

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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.