Home / 568,123,761.32-851,432,275.15-291,763,812.50

Finding the Fourth Proportional to 568,123,761.32, 851,432,275.15 and 291,763,812.50

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Solution

The fourth proportional to 568,123,761.32, 851,432,275.15 and 291,763,812.50 is: 437,258,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,123,761.32 : 851,432,275.15 = 291,763,812.50 : x
  2. Step 2: Convert to fraction form
    568,123,761.32/851,432,275.15 = 291,763,812.50/x
  3. Step 3: Cross multiply
    568,123,761.32x = 851,432,275.15 × 291,763,812.50
  4. Step 4: Simplify right side
    568,123,761.32x = 248,417,126,677,597,024
  5. Step 5: Solve for x
    x = 248,417,126,677,597,024/568,123,761.32
  6. Step 6: Final answer
    x = 437,258,822.10

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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.