Home / 431,407,029.60-647,110,544.40-359,662,494.60

Finding the Fourth Proportional to 431,407,029.60, 647,110,544.40 and 359,662,494.60

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Solution

The fourth proportional to 431,407,029.60, 647,110,544.40 and 359,662,494.60 is: 539,493,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,407,029.60 : 647,110,544.40 = 359,662,494.60 : x
  2. Step 2: Convert to fraction form
    431,407,029.60/647,110,544.40 = 359,662,494.60/x
  3. Step 3: Cross multiply
    431,407,029.60x = 647,110,544.40 × 359,662,494.60
  4. Step 4: Simplify right side
    431,407,029.60x = 232,741,392,680,868,064
  5. Step 5: Solve for x
    x = 232,741,392,680,868,064/431,407,029.60
  6. Step 6: Final answer
    x = 539,493,741.90

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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.