Home / 465,714,469.80-698,573,778.30-120,643,583.40

Finding the Fourth Proportional to 465,714,469.80, 698,573,778.30 and 120,643,583.40

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Solution

The fourth proportional to 465,714,469.80, 698,573,778.30 and 120,643,583.40 is: 180,965,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,714,469.80 : 698,573,778.30 = 120,643,583.40 : x
  2. Step 2: Convert to fraction form
    465,714,469.80/698,573,778.30 = 120,643,583.40/x
  3. Step 3: Cross multiply
    465,714,469.80x = 698,573,778.30 × 120,643,583.40
  4. Step 4: Simplify right side
    465,714,469.80x = 84,278,443,883,389,152
  5. Step 5: Solve for x
    x = 84,278,443,883,389,152/465,714,469.80
  6. Step 6: Final answer
    x = 180,965,912.27

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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.