Home / 531,385,955.30-733,458,490.30-308,439,462.48

Finding the Fourth Proportional to 531,385,955.30, 733,458,490.30 and 308,439,462.48

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Solution

The fourth proportional to 531,385,955.30, 733,458,490.30 and 308,439,462.48 is: 425,731,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,385,955.30 : 733,458,490.30 = 308,439,462.48 : x
  2. Step 2: Convert to fraction form
    531,385,955.30/733,458,490.30 = 308,439,462.48/x
  3. Step 3: Cross multiply
    531,385,955.30x = 733,458,490.30 × 308,439,462.48
  4. Step 4: Simplify right side
    531,385,955.30x = 226,227,542,499,524,288
  5. Step 5: Solve for x
    x = 226,227,542,499,524,288/531,385,955.30
  6. Step 6: Final answer
    x = 425,731,128.65

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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.