Home / 331,871,728.80-497,807,593.20-274,428,861.60

Finding the Fourth Proportional to 331,871,728.80, 497,807,593.20 and 274,428,861.60

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Solution

The fourth proportional to 331,871,728.80, 497,807,593.20 and 274,428,861.60 is: 411,643,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,871,728.80 : 497,807,593.20 = 274,428,861.60 : x
  2. Step 2: Convert to fraction form
    331,871,728.80/497,807,593.20 = 274,428,861.60/x
  3. Step 3: Cross multiply
    331,871,728.80x = 497,807,593.20 × 274,428,861.60
  4. Step 4: Simplify right side
    331,871,728.80x = 136,612,771,097,711,904
  5. Step 5: Solve for x
    x = 136,612,771,097,711,904/331,871,728.80
  6. Step 6: Final answer
    x = 411,643,292.40

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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.