Home / 766,157,987,216.28-1,149,238,086,894.60-312,876,891,291.84

Finding the Fourth Proportional to 766,157,987,216.28, 1,149,238,086,894.60 and 312,876,891,291.84

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Solution

The fourth proportional to 766,157,987,216.28, 1,149,238,086,894.60 and 312,876,891,291.84 is: 469,315,788,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,157,987,216.28 : 1,149,238,086,894.60 = 312,876,891,291.84 : x
  2. Step 2: Convert to fraction form
    766,157,987,216.28/1,149,238,086,894.60 = 312,876,891,291.84/x
  3. Step 3: Cross multiply
    766,157,987,216.28x = 1,149,238,086,894.60 × 312,876,891,291.84
  4. Step 4: Simplify right side
    766,157,987,216.28x = 359,570,039,981,764,004,282,368
  5. Step 5: Solve for x
    x = 359,570,039,981,764,004,282,368/766,157,987,216.28
  6. Step 6: Final answer
    x = 469,315,788,625.02

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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.