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Finding the Fourth Proportional to 883,889,952.80, 1,219,797,581.40 and 482,025,627.83

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Solution

The fourth proportional to 883,889,952.80, 1,219,797,581.40 and 482,025,627.83 is: 665,211,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,889,952.80 : 1,219,797,581.40 = 482,025,627.83 : x
  2. Step 2: Convert to fraction form
    883,889,952.80/1,219,797,581.40 = 482,025,627.83/x
  3. Step 3: Cross multiply
    883,889,952.80x = 1,219,797,581.40 × 482,025,627.83
  4. Step 4: Simplify right side
    883,889,952.80x = 587,973,695,002,900,096
  5. Step 5: Solve for x
    x = 587,973,695,002,900,096/883,889,952.80
  6. Step 6: Final answer
    x = 665,211,424.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.