Home / 8,206,910,670.42-11,331,096,267.87-5,198,832,772.65

Finding the Fourth Proportional to 8,206,910,670.42, 11,331,096,267.87 and 5,198,832,772.65

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Solution

The fourth proportional to 8,206,910,670.42, 11,331,096,267.87 and 5,198,832,772.65 is: 7,177,911,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,910,670.42 : 11,331,096,267.87 = 5,198,832,772.65 : x
  2. Step 2: Convert to fraction form
    8,206,910,670.42/11,331,096,267.87 = 5,198,832,772.65/x
  3. Step 3: Cross multiply
    8,206,910,670.42x = 11,331,096,267.87 × 5,198,832,772.65
  4. Step 4: Simplify right side
    8,206,910,670.42x = 58,908,474,627,454,656,512
  5. Step 5: Solve for x
    x = 58,908,474,627,454,656,512/8,206,910,670.42
  6. Step 6: Final answer
    x = 7,177,911,030.49

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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.