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Finding the Fourth Proportional to 653,189,743.80, 979,784,615.70 and 244,192,750.20

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Solution

The fourth proportional to 653,189,743.80, 979,784,615.70 and 244,192,750.20 is: 366,289,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,189,743.80 : 979,784,615.70 = 244,192,750.20 : x
  2. Step 2: Convert to fraction form
    653,189,743.80/979,784,615.70 = 244,192,750.20/x
  3. Step 3: Cross multiply
    653,189,743.80x = 979,784,615.70 × 244,192,750.20
  4. Step 4: Simplify right side
    653,189,743.80x = 239,256,299,911,433,088
  5. Step 5: Solve for x
    x = 239,256,299,911,433,088/653,189,743.80
  6. Step 6: Final answer
    x = 366,289,125.30

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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.