Home / 531,313,534.32-733,230,909.72-308,278,374

Finding the Fourth Proportional to 531,313,534.32, 733,230,909.72 and 308,278,374

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Solution

The fourth proportional to 531,313,534.32, 733,230,909.72 and 308,278,374 is: 425,434,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,313,534.32 : 733,230,909.72 = 308,278,374 : x
  2. Step 2: Convert to fraction form
    531,313,534.32/733,230,909.72 = 308,278,374/x
  3. Step 3: Cross multiply
    531,313,534.32x = 733,230,909.72 × 308,278,374
  4. Step 4: Simplify right side
    531,313,534.32x = 226,039,232,615,022,400
  5. Step 5: Solve for x
    x = 226,039,232,615,022,400/531,313,534.32
  6. Step 6: Final answer
    x = 425,434,734.89

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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.