Home / 431,404,833.60-647,107,250.40-359,660,298.60

Finding the Fourth Proportional to 431,404,833.60, 647,107,250.40 and 359,660,298.60

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Solution

The fourth proportional to 431,404,833.60, 647,107,250.40 and 359,660,298.60 is: 539,490,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,404,833.60 : 647,107,250.40 = 359,660,298.60 : x
  2. Step 2: Convert to fraction form
    431,404,833.60/647,107,250.40 = 359,660,298.60/x
  3. Step 3: Cross multiply
    431,404,833.60x = 647,107,250.40 × 359,660,298.60
  4. Step 4: Simplify right side
    431,404,833.60x = 232,738,786,905,088,992
  5. Step 5: Solve for x
    x = 232,738,786,905,088,992/431,404,833.60
  6. Step 6: Final answer
    x = 539,490,447.90

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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.