Home / 531,385,965.77-733,458,504.57-308,439,472.88

Finding the Fourth Proportional to 531,385,965.77, 733,458,504.57 and 308,439,472.88

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Solution

The fourth proportional to 531,385,965.77, 733,458,504.57 and 308,439,472.88 is: 425,731,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,385,965.77 : 733,458,504.57 = 308,439,472.88 : x
  2. Step 2: Convert to fraction form
    531,385,965.77/733,458,504.57 = 308,439,472.88/x
  3. Step 3: Cross multiply
    531,385,965.77x = 733,458,504.57 × 308,439,472.88
  4. Step 4: Simplify right side
    531,385,965.77x = 226,227,554,528,923,872
  5. Step 5: Solve for x
    x = 226,227,554,528,923,872/531,385,965.77
  6. Step 6: Final answer
    x = 425,731,142.90

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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.