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Finding the Fourth Proportional to 425,788,352.46, 638,678,270.82 and 134,655,524.82

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Solution

The fourth proportional to 425,788,352.46, 638,678,270.82 and 134,655,524.82 is: 201,981,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,788,352.46 : 638,678,270.82 = 134,655,524.82 : x
  2. Step 2: Convert to fraction form
    425,788,352.46/638,678,270.82 = 134,655,524.82/x
  3. Step 3: Cross multiply
    425,788,352.46x = 638,678,270.82 × 134,655,524.82
  4. Step 4: Simplify right side
    425,788,352.46x = 86,001,557,744,530,528
  5. Step 5: Solve for x
    x = 86,001,557,744,530,528/425,788,352.46
  6. Step 6: Final answer
    x = 201,981,940.67

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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.