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Finding the Fourth Proportional to 1,008,117,480.65, 1,512,176,220.98 and 1,008,117,480.65

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Solution

The fourth proportional to 1,008,117,480.65, 1,512,176,220.98 and 1,008,117,480.65 is: 1,512,176,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,117,480.65 : 1,512,176,220.98 = 1,008,117,480.65 : x
  2. Step 2: Convert to fraction form
    1,008,117,480.65/1,512,176,220.98 = 1,008,117,480.65/x
  3. Step 3: Cross multiply
    1,008,117,480.65x = 1,512,176,220.98 × 1,008,117,480.65
  4. Step 4: Simplify right side
    1,008,117,480.65x = 1,524,451,282,188,154,624
  5. Step 5: Solve for x
    x = 1,524,451,282,188,154,624/1,008,117,480.65
  6. Step 6: Final answer
    x = 1,512,176,220.98

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Half scale
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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.