Home / 79,156,348,149.10-109,235,830,833.82-43,027,380,572.76

Finding the Fourth Proportional to 79,156,348,149.10, 109,235,830,833.82 and 43,027,380,572.76

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Solution

The fourth proportional to 79,156,348,149.10, 109,235,830,833.82 and 43,027,380,572.76 is: 59,377,823,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,156,348,149.10 : 109,235,830,833.82 = 43,027,380,572.76 : x
  2. Step 2: Convert to fraction form
    79,156,348,149.10/109,235,830,833.82 = 43,027,380,572.76/x
  3. Step 3: Cross multiply
    79,156,348,149.10x = 109,235,830,833.82 × 43,027,380,572.76
  4. Step 4: Simplify right side
    79,156,348,149.10x = 4,700,131,665,467,858,223,104
  5. Step 5: Solve for x
    x = 4,700,131,665,467,858,223,104/79,156,348,149.10
  6. Step 6: Final answer
    x = 59,377,823,451.56

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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.