Home / 418,588,317.72-627,882,476.36-156,293,352.56

Finding the Fourth Proportional to 418,588,317.72, 627,882,476.36 and 156,293,352.56

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Solution

The fourth proportional to 418,588,317.72, 627,882,476.36 and 156,293,352.56 is: 234,440,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,588,317.72 : 627,882,476.36 = 156,293,352.56 : x
  2. Step 2: Convert to fraction form
    418,588,317.72/627,882,476.36 = 156,293,352.56/x
  3. Step 3: Cross multiply
    418,588,317.72x = 627,882,476.36 × 156,293,352.56
  4. Step 4: Simplify right side
    418,588,317.72x = 98,133,857,246,386,352
  5. Step 5: Solve for x
    x = 98,133,857,246,386,352/418,588,317.72
  6. Step 6: Final answer
    x = 234,440,028.77

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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.