Home / 768,478,233.28-1,060,508,517.28-416,061,903.68

Finding the Fourth Proportional to 768,478,233.28, 1,060,508,517.28 and 416,061,903.68

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Solution

The fourth proportional to 768,478,233.28, 1,060,508,517.28 and 416,061,903.68 is: 574,170,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,478,233.28 : 1,060,508,517.28 = 416,061,903.68 : x
  2. Step 2: Convert to fraction form
    768,478,233.28/1,060,508,517.28 = 416,061,903.68/x
  3. Step 3: Cross multiply
    768,478,233.28x = 1,060,508,517.28 × 416,061,903.68
  4. Step 4: Simplify right side
    768,478,233.28x = 441,237,192,568,370,944
  5. Step 5: Solve for x
    x = 441,237,192,568,370,944/768,478,233.28
  6. Step 6: Final answer
    x = 574,170,059.03

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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.