Home / 79,618,737,280.79-109,873,114,891.59-43,489,755,877.14

Finding the Fourth Proportional to 79,618,737,280.79, 109,873,114,891.59 and 43,489,755,877.14

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Solution

The fourth proportional to 79,618,737,280.79, 109,873,114,891.59 and 43,489,755,877.14 is: 60,015,457,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618,737,280.79 : 109,873,114,891.59 = 43,489,755,877.14 : x
  2. Step 2: Convert to fraction form
    79,618,737,280.79/109,873,114,891.59 = 43,489,755,877.14/x
  3. Step 3: Cross multiply
    79,618,737,280.79x = 109,873,114,891.59 × 43,489,755,877.14
  4. Step 4: Simplify right side
    79,618,737,280.79x = 4,778,354,944,096,204,750,848
  5. Step 5: Solve for x
    x = 4,778,354,944,096,204,750,848/79,618,737,280.79
  6. Step 6: Final answer
    x = 60,015,457,507.76

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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.