Home / 663,890,190.12-916,150,227.30-366,527,028.78

Finding the Fourth Proportional to 663,890,190.12, 916,150,227.30 and 366,527,028.78

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Solution

The fourth proportional to 663,890,190.12, 916,150,227.30 and 366,527,028.78 is: 505,797,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,890,190.12 : 916,150,227.30 = 366,527,028.78 : x
  2. Step 2: Convert to fraction form
    663,890,190.12/916,150,227.30 = 366,527,028.78/x
  3. Step 3: Cross multiply
    663,890,190.12x = 916,150,227.30 × 366,527,028.78
  4. Step 4: Simplify right side
    663,890,190.12x = 335,793,820,728,390,592
  5. Step 5: Solve for x
    x = 335,793,820,728,390,592/663,890,190.12
  6. Step 6: Final answer
    x = 505,797,232.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.