Home / 9,177,100,198.32-12,663,673,866.36-5,161,971,105.84

Finding the Fourth Proportional to 9,177,100,198.32, 12,663,673,866.36 and 5,161,971,105.84

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Solution

The fourth proportional to 9,177,100,198.32, 12,663,673,866.36 and 5,161,971,105.84 is: 7,123,112,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177,100,198.32 : 12,663,673,866.36 = 5,161,971,105.84 : x
  2. Step 2: Convert to fraction form
    9,177,100,198.32/12,663,673,866.36 = 5,161,971,105.84/x
  3. Step 3: Cross multiply
    9,177,100,198.32x = 12,663,673,866.36 × 5,161,971,105.84
  4. Step 4: Simplify right side
    9,177,100,198.32x = 65,369,518,591,931,441,152
  5. Step 5: Solve for x
    x = 65,369,518,591,931,441,152/9,177,100,198.32
  6. Step 6: Final answer
    x = 7,123,112,658.60

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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.