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Finding the Fourth Proportional to 143,736,760,911.40, 215,605,141,367.10 and 143,736,760,911.40

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Solution

The fourth proportional to 143,736,760,911.40, 215,605,141,367.10 and 143,736,760,911.40 is: 215,605,141,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736,760,911.40 : 215,605,141,367.10 = 143,736,760,911.40 : x
  2. Step 2: Convert to fraction form
    143,736,760,911.40/215,605,141,367.10 = 143,736,760,911.40/x
  3. Step 3: Cross multiply
    143,736,760,911.40x = 215,605,141,367.10 × 143,736,760,911.40
  4. Step 4: Simplify right side
    143,736,760,911.40x = 30,990,384,655,951,451,914,240
  5. Step 5: Solve for x
    x = 30,990,384,655,951,451,914,240/143,736,760,911.40
  6. Step 6: Final answer
    x = 215,605,141,367.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.