Home / 497,663,999.70-746,495,999.55-279,985,766.10

Finding the Fourth Proportional to 497,663,999.70, 746,495,999.55 and 279,985,766.10

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Solution

The fourth proportional to 497,663,999.70, 746,495,999.55 and 279,985,766.10 is: 419,978,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,663,999.70 : 746,495,999.55 = 279,985,766.10 : x
  2. Step 2: Convert to fraction form
    497,663,999.70/746,495,999.55 = 279,985,766.10/x
  3. Step 3: Cross multiply
    497,663,999.70x = 746,495,999.55 × 279,985,766.10
  4. Step 4: Simplify right side
    497,663,999.70x = 209,008,254,324,592,000
  5. Step 5: Solve for x
    x = 209,008,254,324,592,000/497,663,999.70
  6. Step 6: Final answer
    x = 419,978,649.15

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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.