Home / 431,456,350.40-647,184,525.60-249,609,924.80

Finding the Fourth Proportional to 431,456,350.40, 647,184,525.60 and 249,609,924.80

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Solution

The fourth proportional to 431,456,350.40, 647,184,525.60 and 249,609,924.80 is: 374,414,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,456,350.40 : 647,184,525.60 = 249,609,924.80 : x
  2. Step 2: Convert to fraction form
    431,456,350.40/647,184,525.60 = 249,609,924.80/x
  3. Step 3: Cross multiply
    431,456,350.40x = 647,184,525.60 × 249,609,924.80
  4. Step 4: Simplify right side
    431,456,350.40x = 161,543,680,766,739,680
  5. Step 5: Solve for x
    x = 161,543,680,766,739,680/431,456,350.40
  6. Step 6: Final answer
    x = 374,414,887.20

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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.