Home / 598,646,763.43-820,132,355.72-576,264,756.69

Finding the Fourth Proportional to 598,646,763.43, 820,132,355.72 and 576,264,756.69

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Solution

The fourth proportional to 598,646,763.43, 820,132,355.72 and 576,264,756.69 is: 789,469,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,646,763.43 : 820,132,355.72 = 576,264,756.69 : x
  2. Step 2: Convert to fraction form
    598,646,763.43/820,132,355.72 = 576,264,756.69/x
  3. Step 3: Cross multiply
    598,646,763.43x = 820,132,355.72 × 576,264,756.69
  4. Step 4: Simplify right side
    598,646,763.43x = 472,613,372,422,582,400
  5. Step 5: Solve for x
    x = 472,613,372,422,582,400/598,646,763.43
  6. Step 6: Final answer
    x = 789,469,519.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.