Home / 431,358,793.20-647,038,189.80-362,484,039.60

Finding the Fourth Proportional to 431,358,793.20, 647,038,189.80 and 362,484,039.60

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Solution

The fourth proportional to 431,358,793.20, 647,038,189.80 and 362,484,039.60 is: 543,726,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,358,793.20 : 647,038,189.80 = 362,484,039.60 : x
  2. Step 2: Convert to fraction form
    431,358,793.20/647,038,189.80 = 362,484,039.60/x
  3. Step 3: Cross multiply
    431,358,793.20x = 647,038,189.80 × 362,484,039.60
  4. Step 4: Simplify right side
    431,358,793.20x = 234,541,016,814,175,520
  5. Step 5: Solve for x
    x = 234,541,016,814,175,520/431,358,793.20
  6. Step 6: Final answer
    x = 543,726,059.40

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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.