Home / 418,588,318.46-627,882,477.49-156,293,353.31

Finding the Fourth Proportional to 418,588,318.46, 627,882,477.49 and 156,293,353.31

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Solution

The fourth proportional to 418,588,318.46, 627,882,477.49 and 156,293,353.31 is: 234,440,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,588,318.46 : 627,882,477.49 = 156,293,353.31 : x
  2. Step 2: Convert to fraction form
    418,588,318.46/627,882,477.49 = 156,293,353.31/x
  3. Step 3: Cross multiply
    418,588,318.46x = 627,882,477.49 × 156,293,353.31
  4. Step 4: Simplify right side
    418,588,318.46x = 98,133,857,892,681,664
  5. Step 5: Solve for x
    x = 98,133,857,892,681,664/418,588,318.46
  6. Step 6: Final answer
    x = 234,440,029.89

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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.