Home / 766,157,987,189.50-1,149,238,086,854.40-312,876,891,265.03

Finding the Fourth Proportional to 766,157,987,189.50, 1,149,238,086,854.40 and 312,876,891,265.03

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Solution

The fourth proportional to 766,157,987,189.50, 1,149,238,086,854.40 and 312,876,891,265.03 is: 469,315,788,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,157,987,189.50 : 1,149,238,086,854.40 = 312,876,891,265.03 : x
  2. Step 2: Convert to fraction form
    766,157,987,189.50/1,149,238,086,854.40 = 312,876,891,265.03/x
  3. Step 3: Cross multiply
    766,157,987,189.50x = 1,149,238,086,854.40 × 312,876,891,265.03
  4. Step 4: Simplify right side
    766,157,987,189.50x = 359,570,039,938,375,238,025,216
  5. Step 5: Solve for x
    x = 359,570,039,938,375,238,025,216/766,157,987,189.50
  6. Step 6: Final answer
    x = 469,315,788,584.79

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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.