Home / 311,630,427.60-467,445,641.40-299,726,149.20

Finding the Fourth Proportional to 311,630,427.60, 467,445,641.40 and 299,726,149.20

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Solution

The fourth proportional to 311,630,427.60, 467,445,641.40 and 299,726,149.20 is: 449,589,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,630,427.60 : 467,445,641.40 = 299,726,149.20 : x
  2. Step 2: Convert to fraction form
    311,630,427.60/467,445,641.40 = 299,726,149.20/x
  3. Step 3: Cross multiply
    311,630,427.60x = 467,445,641.40 × 299,726,149.20
  4. Step 4: Simplify right side
    311,630,427.60x = 140,105,682,057,146,080
  5. Step 5: Solve for x
    x = 140,105,682,057,146,080/311,630,427.60
  6. Step 6: Final answer
    x = 449,589,223.80

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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.