Home / 384,414,520.80-576,684,611.28-125,554,591.20

Finding the Fourth Proportional to 384,414,520.80, 576,684,611.28 and 125,554,591.20

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Solution

The fourth proportional to 384,414,520.80, 576,684,611.28 and 125,554,591.20 is: 188,352,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,414,520.80 : 576,684,611.28 = 125,554,591.20 : x
  2. Step 2: Convert to fraction form
    384,414,520.80/576,684,611.28 = 125,554,591.20/x
  3. Step 3: Cross multiply
    384,414,520.80x = 576,684,611.28 × 125,554,591.20
  4. Step 4: Simplify right side
    384,414,520.80x = 72,405,400,620,591,312
  5. Step 5: Solve for x
    x = 72,405,400,620,591,312/384,414,520.80
  6. Step 6: Final answer
    x = 188,352,407.89

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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.