Home / 491,335,853.68-737,010,296.40-163,811,471.80

Finding the Fourth Proportional to 491,335,853.68, 737,010,296.40 and 163,811,471.80

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Solution

The fourth proportional to 491,335,853.68, 737,010,296.40 and 163,811,471.80 is: 245,719,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,335,853.68 : 737,010,296.40 = 163,811,471.80 : x
  2. Step 2: Convert to fraction form
    491,335,853.68/737,010,296.40 = 163,811,471.80/x
  3. Step 3: Cross multiply
    491,335,853.68x = 737,010,296.40 × 163,811,471.80
  4. Step 4: Simplify right side
    491,335,853.68x = 120,730,741,385,038,240
  5. Step 5: Solve for x
    x = 120,730,741,385,038,240/491,335,853.68
  6. Step 6: Final answer
    x = 245,719,380.10

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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.