Home / 722,308,694.10-996,847,473.78-409,098,626.34

Finding the Fourth Proportional to 722,308,694.10, 996,847,473.78 and 409,098,626.34

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Solution

The fourth proportional to 722,308,694.10, 996,847,473.78 and 409,098,626.34 is: 564,590,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,308,694.10 : 996,847,473.78 = 409,098,626.34 : x
  2. Step 2: Convert to fraction form
    722,308,694.10/996,847,473.78 = 409,098,626.34/x
  3. Step 3: Cross multiply
    722,308,694.10x = 996,847,473.78 × 409,098,626.34
  4. Step 4: Simplify right side
    722,308,694.10x = 407,808,932,193,897,152
  5. Step 5: Solve for x
    x = 407,808,932,193,897,152/722,308,694.10
  6. Step 6: Final answer
    x = 564,590,922.86

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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.