Home / 672,434,191.40-1,008,840,243.90-327,399,074.60

Finding the Fourth Proportional to 672,434,191.40, 1,008,840,243.90 and 327,399,074.60

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Solution

The fourth proportional to 672,434,191.40, 1,008,840,243.90 and 327,399,074.60 is: 491,190,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,434,191.40 : 1,008,840,243.90 = 327,399,074.60 : x
  2. Step 2: Convert to fraction form
    672,434,191.40/1,008,840,243.90 = 327,399,074.60/x
  3. Step 3: Cross multiply
    672,434,191.40x = 1,008,840,243.90 × 327,399,074.60
  4. Step 4: Simplify right side
    672,434,191.40x = 330,293,362,272,098,304
  5. Step 5: Solve for x
    x = 330,293,362,272,098,304/672,434,191.40
  6. Step 6: Final answer
    x = 491,190,612.40

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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.