Home / 766,157,987,191.88-1,149,238,086,858-312,876,891,267.40

Finding the Fourth Proportional to 766,157,987,191.88, 1,149,238,086,858 and 312,876,891,267.40

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Solution

The fourth proportional to 766,157,987,191.88, 1,149,238,086,858 and 312,876,891,267.40 is: 469,315,788,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,157,987,191.88 : 1,149,238,086,858 = 312,876,891,267.40 : x
  2. Step 2: Convert to fraction form
    766,157,987,191.88/1,149,238,086,858 = 312,876,891,267.40/x
  3. Step 3: Cross multiply
    766,157,987,191.88x = 1,149,238,086,858 × 312,876,891,267.40
  4. Step 4: Simplify right side
    766,157,987,191.88x = 359,570,039,942,225,273,552,896
  5. Step 5: Solve for x
    x = 359,570,039,942,225,273,552,896/766,157,987,191.88
  6. Step 6: Final answer
    x = 469,315,788,588.36

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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.