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Finding the Fourth Proportional to 1,036,683,612.78, 1,555,025,419.17 and 1,036,683,612.78

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Solution

The fourth proportional to 1,036,683,612.78, 1,555,025,419.17 and 1,036,683,612.78 is: 1,555,025,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,683,612.78 : 1,555,025,419.17 = 1,036,683,612.78 : x
  2. Step 2: Convert to fraction form
    1,036,683,612.78/1,555,025,419.17 = 1,036,683,612.78/x
  3. Step 3: Cross multiply
    1,036,683,612.78x = 1,555,025,419.17 × 1,036,683,612.78
  4. Step 4: Simplify right side
    1,036,683,612.78x = 1,612,069,369,509,889,536
  5. Step 5: Solve for x
    x = 1,612,069,369,509,889,536/1,036,683,612.78
  6. Step 6: Final answer
    x = 1,555,025,419.17

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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.