Home / 79,618,737,270.77-109,873,114,877.73-43,489,755,867.11

Finding the Fourth Proportional to 79,618,737,270.77, 109,873,114,877.73 and 43,489,755,867.11

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Solution

The fourth proportional to 79,618,737,270.77, 109,873,114,877.73 and 43,489,755,867.11 is: 60,015,457,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618,737,270.77 : 109,873,114,877.73 = 43,489,755,867.11 : x
  2. Step 2: Convert to fraction form
    79,618,737,270.77/109,873,114,877.73 = 43,489,755,867.11/x
  3. Step 3: Cross multiply
    79,618,737,270.77x = 109,873,114,877.73 × 43,489,755,867.11
  4. Step 4: Simplify right side
    79,618,737,270.77x = 4,778,354,942,391,738,171,392
  5. Step 5: Solve for x
    x = 4,778,354,942,391,738,171,392/79,618,737,270.77
  6. Step 6: Final answer
    x = 60,015,457,493.90

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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.