Home / 398,672,034.30-598,008,051.45-107,538,594.30

Finding the Fourth Proportional to 398,672,034.30, 598,008,051.45 and 107,538,594.30

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Solution

The fourth proportional to 398,672,034.30, 598,008,051.45 and 107,538,594.30 is: 161,307,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,672,034.30 : 598,008,051.45 = 107,538,594.30 : x
  2. Step 2: Convert to fraction form
    398,672,034.30/598,008,051.45 = 107,538,594.30/x
  3. Step 3: Cross multiply
    398,672,034.30x = 598,008,051.45 × 107,538,594.30
  4. Step 4: Simplify right side
    398,672,034.30x = 64,308,945,233,015,080
  5. Step 5: Solve for x
    x = 64,308,945,233,015,080/398,672,034.30
  6. Step 6: Final answer
    x = 161,307,891.45

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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.