Home / 398,601,016.20-597,901,524.30-223,544,350.80

Finding the Fourth Proportional to 398,601,016.20, 597,901,524.30 and 223,544,350.80

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Solution

The fourth proportional to 398,601,016.20, 597,901,524.30 and 223,544,350.80 is: 335,316,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,016.20 : 597,901,524.30 = 223,544,350.80 : x
  2. Step 2: Convert to fraction form
    398,601,016.20/597,901,524.30 = 223,544,350.80/x
  3. Step 3: Cross multiply
    398,601,016.20x = 597,901,524.30 × 223,544,350.80
  4. Step 4: Simplify right side
    398,601,016.20x = 133,657,508,091,973,920
  5. Step 5: Solve for x
    x = 133,657,508,091,973,920/398,601,016.20
  6. Step 6: Final answer
    x = 335,316,526.20

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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.