Home / 820,568,948.22-1,132,281,401.67-653,728,362.30

Finding the Fourth Proportional to 820,568,948.22, 1,132,281,401.67 and 653,728,362.30

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Solution

The fourth proportional to 820,568,948.22, 1,132,281,401.67 and 653,728,362.30 is: 902,062,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,568,948.22 : 1,132,281,401.67 = 653,728,362.30 : x
  2. Step 2: Convert to fraction form
    820,568,948.22/1,132,281,401.67 = 653,728,362.30/x
  3. Step 3: Cross multiply
    820,568,948.22x = 1,132,281,401.67 × 653,728,362.30
  4. Step 4: Simplify right side
    820,568,948.22x = 740,204,466,376,477,568
  5. Step 5: Solve for x
    x = 740,204,466,376,477,568/820,568,948.22
  6. Step 6: Final answer
    x = 902,062,487.23

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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.