Home / 492,083,142.60-737,620,829.10-287,505,913.80

Finding the Fourth Proportional to 492,083,142.60, 737,620,829.10 and 287,505,913.80

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Solution

The fourth proportional to 492,083,142.60, 737,620,829.10 and 287,505,913.80 is: 430,964,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,083,142.60 : 737,620,829.10 = 287,505,913.80 : x
  2. Step 2: Convert to fraction form
    492,083,142.60/737,620,829.10 = 287,505,913.80/x
  3. Step 3: Cross multiply
    492,083,142.60x = 737,620,829.10 × 287,505,913.80
  4. Step 4: Simplify right side
    492,083,142.60x = 212,070,350,508,309,152
  5. Step 5: Solve for x
    x = 212,070,350,508,309,152/492,083,142.60
  6. Step 6: Final answer
    x = 430,964,469.52

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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.