Home / 647,230,233.90-970,873,690.05-187,214,904.30

Finding the Fourth Proportional to 647,230,233.90, 970,873,690.05 and 187,214,904.30

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Solution

The fourth proportional to 647,230,233.90, 970,873,690.05 and 187,214,904.30 is: 280,830,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,230,233.90 : 970,873,690.05 = 187,214,904.30 : x
  2. Step 2: Convert to fraction form
    647,230,233.90/970,873,690.05 = 187,214,904.30/x
  3. Step 3: Cross multiply
    647,230,233.90x = 970,873,690.05 × 187,214,904.30
  4. Step 4: Simplify right side
    647,230,233.90x = 181,762,024,970,098,624
  5. Step 5: Solve for x
    x = 181,762,024,970,098,624/647,230,233.90
  6. Step 6: Final answer
    x = 280,830,553.72

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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.