Home / 454,998,999,355.76-627,890,923,990.68-251,998,411,514.96

Finding the Fourth Proportional to 454,998,999,355.76, 627,890,923,990.68 and 251,998,411,514.96

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Solution

The fourth proportional to 454,998,999,355.76, 627,890,923,990.68 and 251,998,411,514.96 is: 347,753,545,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,998,999,355.76 : 627,890,923,990.68 = 251,998,411,514.96 : x
  2. Step 2: Convert to fraction form
    454,998,999,355.76/627,890,923,990.68 = 251,998,411,514.96/x
  3. Step 3: Cross multiply
    454,998,999,355.76x = 627,890,923,990.68 × 251,998,411,514.96
  4. Step 4: Simplify right side
    454,998,999,355.76x = 158,227,515,450,311,856,619,520
  5. Step 5: Solve for x
    x = 158,227,515,450,311,856,619,520/454,998,999,355.76
  6. Step 6: Final answer
    x = 347,753,545,995.37

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1.5x scale

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.