Home / 398,601,235.70-597,901,853.55-243,633,040.10

Finding the Fourth Proportional to 398,601,235.70, 597,901,853.55 and 243,633,040.10

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Solution

The fourth proportional to 398,601,235.70, 597,901,853.55 and 243,633,040.10 is: 365,449,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,601,235.70 : 597,901,853.55 = 243,633,040.10 : x
  2. Step 2: Convert to fraction form
    398,601,235.70/597,901,853.55 = 243,633,040.10/x
  3. Step 3: Cross multiply
    398,601,235.70x = 597,901,853.55 × 243,633,040.10
  4. Step 4: Simplify right side
    398,601,235.70x = 145,668,646,261,811,456
  5. Step 5: Solve for x
    x = 145,668,646,261,811,456/398,601,235.70
  6. Step 6: Final answer
    x = 365,449,560.15

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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.