Home / 454,007,721.20-681,107,226.60-147,275,884.40

Finding the Fourth Proportional to 454,007,721.20, 681,107,226.60 and 147,275,884.40

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Solution

The fourth proportional to 454,007,721.20, 681,107,226.60 and 147,275,884.40 is: 220,944,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,007,721.20 : 681,107,226.60 = 147,275,884.40 : x
  2. Step 2: Convert to fraction form
    454,007,721.20/681,107,226.60 = 147,275,884.40/x
  3. Step 3: Cross multiply
    454,007,721.20x = 681,107,226.60 × 147,275,884.40
  4. Step 4: Simplify right side
    454,007,721.20x = 100,310,669,168,746,208
  5. Step 5: Solve for x
    x = 100,310,669,168,746,208/454,007,721.20
  6. Step 6: Final answer
    x = 220,944,852.88

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1.5x scale

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.