Home / 631,531,690.53-871,469,490.46-367,194,930.03

Finding the Fourth Proportional to 631,531,690.53, 871,469,490.46 and 367,194,930.03

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Solution

The fourth proportional to 631,531,690.53, 871,469,490.46 and 367,194,930.03 is: 506,703,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,531,690.53 : 871,469,490.46 = 367,194,930.03 : x
  2. Step 2: Convert to fraction form
    631,531,690.53/871,469,490.46 = 367,194,930.03/x
  3. Step 3: Cross multiply
    631,531,690.53x = 871,469,490.46 × 367,194,930.03
  4. Step 4: Simplify right side
    631,531,690.53x = 319,999,178,572,739,456
  5. Step 5: Solve for x
    x = 319,999,178,572,739,456/631,531,690.53
  6. Step 6: Final answer
    x = 506,703,279.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.