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Finding the Fourth Proportional to 5,038,853,912.20, 7,558,280,868.30 and 5,038,853,912.20

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Solution

The fourth proportional to 5,038,853,912.20, 7,558,280,868.30 and 5,038,853,912.20 is: 7,558,280,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038,853,912.20 : 7,558,280,868.30 = 5,038,853,912.20 : x
  2. Step 2: Convert to fraction form
    5,038,853,912.20/7,558,280,868.30 = 5,038,853,912.20/x
  3. Step 3: Cross multiply
    5,038,853,912.20x = 7,558,280,868.30 × 5,038,853,912.20
  4. Step 4: Simplify right side
    5,038,853,912.20x = 38,085,073,122,739,863,552
  5. Step 5: Solve for x
    x = 38,085,073,122,739,863,552/5,038,853,912.20
  6. Step 6: Final answer
    x = 7,558,280,868.30

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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.