Home / 531,385,963.77-733,458,501.81-308,439,470.88

Finding the Fourth Proportional to 531,385,963.77, 733,458,501.81 and 308,439,470.88

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Solution

The fourth proportional to 531,385,963.77, 733,458,501.81 and 308,439,470.88 is: 425,731,140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,385,963.77 : 733,458,501.81 = 308,439,470.88 : x
  2. Step 2: Convert to fraction form
    531,385,963.77/733,458,501.81 = 308,439,470.88/x
  3. Step 3: Cross multiply
    531,385,963.77x = 733,458,501.81 × 308,439,470.88
  4. Step 4: Simplify right side
    531,385,963.77x = 226,227,552,207,790,464
  5. Step 5: Solve for x
    x = 226,227,552,207,790,464/531,385,963.77
  6. Step 6: Final answer
    x = 425,731,140.14

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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.