Home / 418,330,414.34-627,572,221.19-172,552,970.51

Finding the Fourth Proportional to 418,330,414.34, 627,572,221.19 and 172,552,970.51

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Solution

The fourth proportional to 418,330,414.34, 627,572,221.19 and 172,552,970.51 is: 258,861,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,330,414.34 : 627,572,221.19 = 172,552,970.51 : x
  2. Step 2: Convert to fraction form
    418,330,414.34/627,572,221.19 = 172,552,970.51/x
  3. Step 3: Cross multiply
    418,330,414.34x = 627,572,221.19 × 172,552,970.51
  4. Step 4: Simplify right side
    418,330,414.34x = 108,289,450,972,755,408
  5. Step 5: Solve for x
    x = 108,289,450,972,755,408/418,330,414.34
  6. Step 6: Final answer
    x = 258,861,051.60

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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.