Home / 485,280,657.10-727,920,985.65-482,257,348.30

Finding the Fourth Proportional to 485,280,657.10, 727,920,985.65 and 482,257,348.30

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Solution

The fourth proportional to 485,280,657.10, 727,920,985.65 and 482,257,348.30 is: 723,386,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,280,657.10 : 727,920,985.65 = 482,257,348.30 : x
  2. Step 2: Convert to fraction form
    485,280,657.10/727,920,985.65 = 482,257,348.30/x
  3. Step 3: Cross multiply
    485,280,657.10x = 727,920,985.65 × 482,257,348.30
  4. Step 4: Simplify right side
    485,280,657.10x = 351,045,244,311,491,328
  5. Step 5: Solve for x
    x = 351,045,244,311,491,328/485,280,657.10
  6. Step 6: Final answer
    x = 723,386,022.45

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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.