Home / 852,022,630.94-1,278,819,575.94-432,138,691.62

Finding the Fourth Proportional to 852,022,630.94, 1,278,819,575.94 and 432,138,691.62

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Solution

The fourth proportional to 852,022,630.94, 1,278,819,575.94 and 432,138,691.62 is: 648,606,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,022,630.94 : 1,278,819,575.94 = 432,138,691.62 : x
  2. Step 2: Convert to fraction form
    852,022,630.94/1,278,819,575.94 = 432,138,691.62/x
  3. Step 3: Cross multiply
    852,022,630.94x = 1,278,819,575.94 × 432,138,691.62
  4. Step 4: Simplify right side
    852,022,630.94x = 552,627,418,364,754,880
  5. Step 5: Solve for x
    x = 552,627,418,364,754,880/852,022,630.94
  6. Step 6: Final answer
    x = 648,606,502.10

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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.