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Finding the Fourth Proportional to 68,958,902,285.53, 103,438,353,428.29 and 68,958,902,285.53

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Solution

The fourth proportional to 68,958,902,285.53, 103,438,353,428.29 and 68,958,902,285.53 is: 103,438,353,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,958,902,285.53 : 103,438,353,428.29 = 68,958,902,285.53 : x
  2. Step 2: Convert to fraction form
    68,958,902,285.53/103,438,353,428.29 = 68,958,902,285.53/x
  3. Step 3: Cross multiply
    68,958,902,285.53x = 103,438,353,428.29 × 68,958,902,285.53
  4. Step 4: Simplify right side
    68,958,902,285.53x = 7,132,995,306,637,566,672,896
  5. Step 5: Solve for x
    x = 7,132,995,306,637,566,672,896/68,958,902,285.53
  6. Step 6: Final answer
    x = 103,438,353,428.29

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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.