Home / 79,680,531,022.94-109,958,865,854.51-43,551,542,519.73

Finding the Fourth Proportional to 79,680,531,022.94, 109,958,865,854.51 and 43,551,542,519.73

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Solution

The fourth proportional to 79,680,531,022.94, 109,958,865,854.51 and 43,551,542,519.73 is: 60,100,982,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680,531,022.94 : 109,958,865,854.51 = 43,551,542,519.73 : x
  2. Step 2: Convert to fraction form
    79,680,531,022.94/109,958,865,854.51 = 43,551,542,519.73/x
  3. Step 3: Cross multiply
    79,680,531,022.94x = 109,958,865,854.51 × 43,551,542,519.73
  4. Step 4: Simplify right side
    79,680,531,022.94x = 4,788,878,221,683,979,190,272
  5. Step 5: Solve for x
    x = 4,788,878,221,683,979,190,272/79,680,531,022.94
  6. Step 6: Final answer
    x = 60,100,982,764.60

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1.5x scale

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.