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Finding the Fourth Proportional to 1,008,289,344.15, 1,512,434,016.23 and 1,008,289,344.15

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Solution

The fourth proportional to 1,008,289,344.15, 1,512,434,016.23 and 1,008,289,344.15 is: 1,512,434,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,289,344.15 : 1,512,434,016.23 = 1,008,289,344.15 : x
  2. Step 2: Convert to fraction form
    1,008,289,344.15/1,512,434,016.23 = 1,008,289,344.15/x
  3. Step 3: Cross multiply
    1,008,289,344.15x = 1,512,434,016.23 × 1,008,289,344.15
  4. Step 4: Simplify right side
    1,008,289,344.15x = 1,524,971,102,289,655,552
  5. Step 5: Solve for x
    x = 1,524,971,102,289,655,552/1,008,289,344.15
  6. Step 6: Final answer
    x = 1,512,434,016.23

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Double scale
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Similar ratio
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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.