Home / 431,674,180.60-647,511,270.90-302,427,729.40

Finding the Fourth Proportional to 431,674,180.60, 647,511,270.90 and 302,427,729.40

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Solution

The fourth proportional to 431,674,180.60, 647,511,270.90 and 302,427,729.40 is: 453,641,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,674,180.60 : 647,511,270.90 = 302,427,729.40 : x
  2. Step 2: Convert to fraction form
    431,674,180.60/647,511,270.90 = 302,427,729.40/x
  3. Step 3: Cross multiply
    431,674,180.60x = 647,511,270.90 × 302,427,729.40
  4. Step 4: Simplify right side
    431,674,180.60x = 195,825,363,419,195,264
  5. Step 5: Solve for x
    x = 195,825,363,419,195,264/431,674,180.60
  6. Step 6: Final answer
    x = 453,641,594.10

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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.