Home / 418,330,414.84-627,572,221.94-172,552,971.01

Finding the Fourth Proportional to 418,330,414.84, 627,572,221.94 and 172,552,971.01

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Solution

The fourth proportional to 418,330,414.84, 627,572,221.94 and 172,552,971.01 is: 258,861,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,330,414.84 : 627,572,221.94 = 172,552,971.01 : x
  2. Step 2: Convert to fraction form
    418,330,414.84/627,572,221.94 = 172,552,971.01/x
  3. Step 3: Cross multiply
    418,330,414.84x = 627,572,221.94 × 172,552,971.01
  4. Step 4: Simplify right side
    418,330,414.84x = 108,289,451,419,094,112
  5. Step 5: Solve for x
    x = 108,289,451,419,094,112/418,330,414.84
  6. Step 6: Final answer
    x = 258,861,052.36

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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.