Home / 550,318,527.61-825,840,998.14-291,715,351.20

Finding the Fourth Proportional to 550,318,527.61, 825,840,998.14 and 291,715,351.20

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Solution

The fourth proportional to 550,318,527.61, 825,840,998.14 and 291,715,351.20 is: 437,765,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,318,527.61 : 825,840,998.14 = 291,715,351.20 : x
  2. Step 2: Convert to fraction form
    550,318,527.61/825,840,998.14 = 291,715,351.20/x
  3. Step 3: Cross multiply
    550,318,527.61x = 825,840,998.14 × 291,715,351.20
  4. Step 4: Simplify right side
    550,318,527.61x = 240,910,496,807,768,640
  5. Step 5: Solve for x
    x = 240,910,496,807,768,640/550,318,527.61
  6. Step 6: Final answer
    x = 437,765,557.07

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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.