Home / 448,359,152.20-672,538,728.30-397,340,816.20

Finding the Fourth Proportional to 448,359,152.20, 672,538,728.30 and 397,340,816.20

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Solution

The fourth proportional to 448,359,152.20, 672,538,728.30 and 397,340,816.20 is: 596,011,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,359,152.20 : 672,538,728.30 = 397,340,816.20 : x
  2. Step 2: Convert to fraction form
    448,359,152.20/672,538,728.30 = 397,340,816.20/x
  3. Step 3: Cross multiply
    448,359,152.20x = 672,538,728.30 × 397,340,816.20
  4. Step 4: Simplify right side
    448,359,152.20x = 267,227,087,228,832,000
  5. Step 5: Solve for x
    x = 267,227,087,228,832,000/448,359,152.20
  6. Step 6: Final answer
    x = 596,011,224.30

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Similar ratio
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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.