Home / 128,232,594,023.38-176,887,457,912.73-79,976,859,360.82

Finding the Fourth Proportional to 128,232,594,023.38, 176,887,457,912.73 and 79,976,859,360.82

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Solution

The fourth proportional to 128,232,594,023.38, 176,887,457,912.73 and 79,976,859,360.82 is: 110,322,211,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,232,594,023.38 : 176,887,457,912.73 = 79,976,859,360.82 : x
  2. Step 2: Convert to fraction form
    128,232,594,023.38/176,887,457,912.73 = 79,976,859,360.82/x
  3. Step 3: Cross multiply
    128,232,594,023.38x = 176,887,457,912.73 × 79,976,859,360.82
  4. Step 4: Simplify right side
    128,232,594,023.38x = 14,146,903,344,179,375,505,408
  5. Step 5: Solve for x
    x = 14,146,903,344,179,375,505,408/128,232,594,023.38
  6. Step 6: Final answer
    x = 110,322,211,384.10

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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.