Home / 431,022,801.60-646,534,202.40-397,766,404.80

Finding the Fourth Proportional to 431,022,801.60, 646,534,202.40 and 397,766,404.80

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Solution

The fourth proportional to 431,022,801.60, 646,534,202.40 and 397,766,404.80 is: 596,649,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,022,801.60 : 646,534,202.40 = 397,766,404.80 : x
  2. Step 2: Convert to fraction form
    431,022,801.60/646,534,202.40 = 397,766,404.80/x
  3. Step 3: Cross multiply
    431,022,801.60x = 646,534,202.40 × 397,766,404.80
  4. Step 4: Simplify right side
    431,022,801.60x = 257,169,585,268,883,520
  5. Step 5: Solve for x
    x = 257,169,585,268,883,520/431,022,801.60
  6. Step 6: Final answer
    x = 596,649,607.20

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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.