Home / 68,953,745,486.32-95,158,516,636.69-40,015,694,910.87

Finding the Fourth Proportional to 68,953,745,486.32, 95,158,516,636.69 and 40,015,694,910.87

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Solution

The fourth proportional to 68,953,745,486.32, 95,158,516,636.69 and 40,015,694,910.87 is: 55,223,021,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,953,745,486.32 : 95,158,516,636.69 = 40,015,694,910.87 : x
  2. Step 2: Convert to fraction form
    68,953,745,486.32/95,158,516,636.69 = 40,015,694,910.87/x
  3. Step 3: Cross multiply
    68,953,745,486.32x = 95,158,516,636.69 × 40,015,694,910.87
  4. Step 4: Simplify right side
    68,953,745,486.32x = 3,807,834,169,904,654,712,832
  5. Step 5: Solve for x
    x = 3,807,834,169,904,654,712,832/68,953,745,486.32
  6. Step 6: Final answer
    x = 55,223,021,505.92

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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.