Home / 666,010,543.42-998,671,591.04-292,365,500.86

Finding the Fourth Proportional to 666,010,543.42, 998,671,591.04 and 292,365,500.86

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Solution

The fourth proportional to 666,010,543.42, 998,671,591.04 and 292,365,500.86 is: 438,397,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,010,543.42 : 998,671,591.04 = 292,365,500.86 : x
  2. Step 2: Convert to fraction form
    666,010,543.42/998,671,591.04 = 292,365,500.86/x
  3. Step 3: Cross multiply
    666,010,543.42x = 998,671,591.04 × 292,365,500.86
  4. Step 4: Simplify right side
    666,010,543.42x = 291,977,119,909,062,720
  5. Step 5: Solve for x
    x = 291,977,119,909,062,720/666,010,543.42
  6. Step 6: Final answer
    x = 438,397,143.70

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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.