Home / 418,832,903.82-627,432,045-326,283,294.30

Finding the Fourth Proportional to 418,832,903.82, 627,432,045 and 326,283,294.30

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Solution

The fourth proportional to 418,832,903.82, 627,432,045 and 326,283,294.30 is: 488,788,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,832,903.82 : 627,432,045 = 326,283,294.30 : x
  2. Step 2: Convert to fraction form
    418,832,903.82/627,432,045 = 326,283,294.30/x
  3. Step 3: Cross multiply
    418,832,903.82x = 627,432,045 × 326,283,294.30
  4. Step 4: Simplify right side
    418,832,903.82x = 204,720,594,591,985,856
  5. Step 5: Solve for x
    x = 204,720,594,591,985,856/418,832,903.82
  6. Step 6: Final answer
    x = 488,788,232.07

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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.