Home / 558,556,286.95-770,807,672.97-323,743,149.60

Finding the Fourth Proportional to 558,556,286.95, 770,807,672.97 and 323,743,149.60

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Solution

The fourth proportional to 558,556,286.95, 770,807,672.97 and 323,743,149.60 is: 446,765,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,556,286.95 : 770,807,672.97 = 323,743,149.60 : x
  2. Step 2: Convert to fraction form
    558,556,286.95/770,807,672.97 = 323,743,149.60/x
  3. Step 3: Cross multiply
    558,556,286.95x = 770,807,672.97 × 323,743,149.60
  4. Step 4: Simplify right side
    558,556,286.95x = 249,543,703,781,535,904
  5. Step 5: Solve for x
    x = 249,543,703,781,535,904/558,556,286.95
  6. Step 6: Final answer
    x = 446,765,544.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.