Home / 495,633,459.47-743,369,387.79-145,797,712.05

Finding the Fourth Proportional to 495,633,459.47, 743,369,387.79 and 145,797,712.05

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Solution

The fourth proportional to 495,633,459.47, 743,369,387.79 and 145,797,712.05 is: 218,672,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,633,459.47 : 743,369,387.79 = 145,797,712.05 : x
  2. Step 2: Convert to fraction form
    495,633,459.47/743,369,387.79 = 145,797,712.05/x
  3. Step 3: Cross multiply
    495,633,459.47x = 743,369,387.79 × 145,797,712.05
  4. Step 4: Simplify right side
    495,633,459.47x = 108,381,555,947,791,216
  5. Step 5: Solve for x
    x = 108,381,555,947,791,216/495,633,459.47
  6. Step 6: Final answer
    x = 218,672,799.18

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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.