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Finding the Fourth Proportional to 944,930,014.80, 1,319,677,158 and 944,930,014.80

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Solution

The fourth proportional to 944,930,014.80, 1,319,677,158 and 944,930,014.80 is: 1,319,677,158

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,930,014.80 : 1,319,677,158 = 944,930,014.80 : x
  2. Step 2: Convert to fraction form
    944,930,014.80/1,319,677,158 = 944,930,014.80/x
  3. Step 3: Cross multiply
    944,930,014.80x = 1,319,677,158 × 944,930,014.80
  4. Step 4: Simplify right side
    944,930,014.80x = 1,247,002,556,440,161,792
  5. Step 5: Solve for x
    x = 1,247,002,556,440,161,792/944,930,014.80
  6. Step 6: Final answer
    x = 1,319,677,158

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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.