Home / 552,387,372.30-828,581,058.45-143,443,522.80

Finding the Fourth Proportional to 552,387,372.30, 828,581,058.45 and 143,443,522.80

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Solution

The fourth proportional to 552,387,372.30, 828,581,058.45 and 143,443,522.80 is: 215,165,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,387,372.30 : 828,581,058.45 = 143,443,522.80 : x
  2. Step 2: Convert to fraction form
    552,387,372.30/828,581,058.45 = 143,443,522.80/x
  3. Step 3: Cross multiply
    552,387,372.30x = 828,581,058.45 × 143,443,522.80
  4. Step 4: Simplify right side
    552,387,372.30x = 118,854,585,949,420,720
  5. Step 5: Solve for x
    x = 118,854,585,949,420,720/552,387,372.30
  6. Step 6: Final answer
    x = 215,165,284.20

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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.