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Finding the Fourth Proportional to 536,039,061.70, 748,924,136.30 and 536,039,061.70

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Solution

The fourth proportional to 536,039,061.70, 748,924,136.30 and 536,039,061.70 is: 748,924,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,039,061.70 : 748,924,136.30 = 536,039,061.70 : x
  2. Step 2: Convert to fraction form
    536,039,061.70/748,924,136.30 = 536,039,061.70/x
  3. Step 3: Cross multiply
    536,039,061.70x = 748,924,136.30 × 536,039,061.70
  4. Step 4: Simplify right side
    536,039,061.70x = 401,452,591,306,734,848
  5. Step 5: Solve for x
    x = 401,452,591,306,734,848/536,039,061.70
  6. Step 6: Final answer
    x = 748,924,136.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.