Home / 398,731,436.80-597,672,002.40-152,993,118.40

Finding the Fourth Proportional to 398,731,436.80, 597,672,002.40 and 152,993,118.40

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Solution

The fourth proportional to 398,731,436.80, 597,672,002.40 and 152,993,118.40 is: 229,326,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,731,436.80 : 597,672,002.40 = 152,993,118.40 : x
  2. Step 2: Convert to fraction form
    398,731,436.80/597,672,002.40 = 152,993,118.40/x
  3. Step 3: Cross multiply
    398,731,436.80x = 597,672,002.40 × 152,993,118.40
  4. Step 4: Simplify right side
    398,731,436.80x = 91,439,703,427,548,288
  5. Step 5: Solve for x
    x = 91,439,703,427,548,288/398,731,436.80
  6. Step 6: Final answer
    x = 229,326,546.61

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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.