Home / 708,611,440.80-1,062,917,161.20-527,212,912.80

Finding the Fourth Proportional to 708,611,440.80, 1,062,917,161.20 and 527,212,912.80

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Solution

The fourth proportional to 708,611,440.80, 1,062,917,161.20 and 527,212,912.80 is: 790,819,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,611,440.80 : 1,062,917,161.20 = 527,212,912.80 : x
  2. Step 2: Convert to fraction form
    708,611,440.80/1,062,917,161.20 = 527,212,912.80/x
  3. Step 3: Cross multiply
    708,611,440.80x = 1,062,917,161.20 × 527,212,912.80
  4. Step 4: Simplify right side
    708,611,440.80x = 560,383,652,621,359,168
  5. Step 5: Solve for x
    x = 560,383,652,621,359,168/708,611,440.80
  6. Step 6: Final answer
    x = 790,819,369.20

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Double scale
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1.5x scale

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.