Home / 766,157,987,188.20-1,149,238,086,852.60-312,876,891,263.74

Finding the Fourth Proportional to 766,157,987,188.20, 1,149,238,086,852.60 and 312,876,891,263.74

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Solution

The fourth proportional to 766,157,987,188.20, 1,149,238,086,852.60 and 312,876,891,263.74 is: 469,315,788,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,157,987,188.20 : 1,149,238,086,852.60 = 312,876,891,263.74 : x
  2. Step 2: Convert to fraction form
    766,157,987,188.20/1,149,238,086,852.60 = 312,876,891,263.74/x
  3. Step 3: Cross multiply
    766,157,987,188.20x = 1,149,238,086,852.60 × 312,876,891,263.74
  4. Step 4: Simplify right side
    766,157,987,188.20x = 359,570,039,936,329,558,523,904
  5. Step 5: Solve for x
    x = 359,570,039,936,329,558,523,904/766,157,987,188.20
  6. Step 6: Final answer
    x = 469,315,788,582.92

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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.