Home / 418,832,905.32-627,432,047.25-326,283,295.80

Finding the Fourth Proportional to 418,832,905.32, 627,432,047.25 and 326,283,295.80

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Solution

The fourth proportional to 418,832,905.32, 627,432,047.25 and 326,283,295.80 is: 488,788,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,832,905.32 : 627,432,047.25 = 326,283,295.80 : x
  2. Step 2: Convert to fraction form
    418,832,905.32/627,432,047.25 = 326,283,295.80/x
  3. Step 3: Cross multiply
    418,832,905.32x = 627,432,047.25 × 326,283,295.80
  4. Step 4: Simplify right side
    418,832,905.32x = 204,720,596,267,271,328
  5. Step 5: Solve for x
    x = 204,720,596,267,271,328/418,832,905.32
  6. Step 6: Final answer
    x = 488,788,234.32

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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.