Home / 858,276,096.60-1,287,414,144.90-443,752,116.60

Finding the Fourth Proportional to 858,276,096.60, 1,287,414,144.90 and 443,752,116.60

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Solution

The fourth proportional to 858,276,096.60, 1,287,414,144.90 and 443,752,116.60 is: 665,628,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,276,096.60 : 1,287,414,144.90 = 443,752,116.60 : x
  2. Step 2: Convert to fraction form
    858,276,096.60/1,287,414,144.90 = 443,752,116.60/x
  3. Step 3: Cross multiply
    858,276,096.60x = 1,287,414,144.90 × 443,752,116.60
  4. Step 4: Simplify right side
    858,276,096.60x = 571,292,751,740,154,176
  5. Step 5: Solve for x
    x = 571,292,751,740,154,176/858,276,096.60
  6. Step 6: Final answer
    x = 665,628,174.90

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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.