Home / 418,845,626.96-577,999,913.43-230,691,442.29

Finding the Fourth Proportional to 418,845,626.96, 577,999,913.43 and 230,691,442.29

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Solution

The fourth proportional to 418,845,626.96, 577,999,913.43 and 230,691,442.29 is: 318,350,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,845,626.96 : 577,999,913.43 = 230,691,442.29 : x
  2. Step 2: Convert to fraction form
    418,845,626.96/577,999,913.43 = 230,691,442.29/x
  3. Step 3: Cross multiply
    418,845,626.96x = 577,999,913.43 × 230,691,442.29
  4. Step 4: Simplify right side
    418,845,626.96x = 133,339,633,672,661,824
  5. Step 5: Solve for x
    x = 133,339,633,672,661,824/418,845,626.96
  6. Step 6: Final answer
    x = 318,350,306.39

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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.