Home / 440,341,331.60-660,511,997.40-295,222,509.20

Finding the Fourth Proportional to 440,341,331.60, 660,511,997.40 and 295,222,509.20

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Solution

The fourth proportional to 440,341,331.60, 660,511,997.40 and 295,222,509.20 is: 442,833,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,341,331.60 : 660,511,997.40 = 295,222,509.20 : x
  2. Step 2: Convert to fraction form
    440,341,331.60/660,511,997.40 = 295,222,509.20/x
  3. Step 3: Cross multiply
    440,341,331.60x = 660,511,997.40 × 295,222,509.20
  4. Step 4: Simplify right side
    440,341,331.60x = 194,998,009,229,131,872
  5. Step 5: Solve for x
    x = 194,998,009,229,131,872/440,341,331.60
  6. Step 6: Final answer
    x = 442,833,763.80

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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.