Home / 398,613,260.80-597,919,891.20-183,622,412.80

Finding the Fourth Proportional to 398,613,260.80, 597,919,891.20 and 183,622,412.80

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Solution

The fourth proportional to 398,613,260.80, 597,919,891.20 and 183,622,412.80 is: 275,433,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,613,260.80 : 597,919,891.20 = 183,622,412.80 : x
  2. Step 2: Convert to fraction form
    398,613,260.80/597,919,891.20 = 183,622,412.80/x
  3. Step 3: Cross multiply
    398,613,260.80x = 597,919,891.20 × 183,622,412.80
  4. Step 4: Simplify right side
    398,613,260.80x = 109,791,493,083,257,504
  5. Step 5: Solve for x
    x = 109,791,493,083,257,504/398,613,260.80
  6. Step 6: Final answer
    x = 275,433,619.20

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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.