Home / 440,341,380.10-660,512,070.15-295,222,557.70

Finding the Fourth Proportional to 440,341,380.10, 660,512,070.15 and 295,222,557.70

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Solution

The fourth proportional to 440,341,380.10, 660,512,070.15 and 295,222,557.70 is: 442,833,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,341,380.10 : 660,512,070.15 = 295,222,557.70 : x
  2. Step 2: Convert to fraction form
    440,341,380.10/660,512,070.15 = 295,222,557.70/x
  3. Step 3: Cross multiply
    440,341,380.10x = 660,512,070.15 × 295,222,557.70
  4. Step 4: Simplify right side
    440,341,380.10x = 194,998,062,741,404,800
  5. Step 5: Solve for x
    x = 194,998,062,741,404,800/440,341,380.10
  6. Step 6: Final answer
    x = 442,833,836.55

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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.