Home / 431,022,801.10-646,534,201.65-397,766,404.30

Finding the Fourth Proportional to 431,022,801.10, 646,534,201.65 and 397,766,404.30

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Solution

The fourth proportional to 431,022,801.10, 646,534,201.65 and 397,766,404.30 is: 596,649,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,022,801.10 : 646,534,201.65 = 397,766,404.30 : x
  2. Step 2: Convert to fraction form
    431,022,801.10/646,534,201.65 = 397,766,404.30/x
  3. Step 3: Cross multiply
    431,022,801.10x = 646,534,201.65 × 397,766,404.30
  4. Step 4: Simplify right side
    431,022,801.10x = 257,169,584,647,291,616
  5. Step 5: Solve for x
    x = 257,169,584,647,291,616/431,022,801.10
  6. Step 6: Final answer
    x = 596,649,606.45

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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.