Home / 431,874,409.60-647,027,793.60-249,580,086.40

Finding the Fourth Proportional to 431,874,409.60, 647,027,793.60 and 249,580,086.40

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Solution

The fourth proportional to 431,874,409.60, 647,027,793.60 and 249,580,086.40 is: 373,917,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,874,409.60 : 647,027,793.60 = 249,580,086.40 : x
  2. Step 2: Convert to fraction form
    431,874,409.60/647,027,793.60 = 249,580,086.40/x
  3. Step 3: Cross multiply
    431,874,409.60x = 647,027,793.60 × 249,580,086.40
  4. Step 4: Simplify right side
    431,874,409.60x = 161,485,252,629,889,376
  5. Step 5: Solve for x
    x = 161,485,252,629,889,376/431,874,409.60
  6. Step 6: Final answer
    x = 373,917,159.80

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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.