Home / 352,520,133.93-486,326,867.22-220,131,287.69

Finding the Fourth Proportional to 352,520,133.93, 486,326,867.22 and 220,131,287.69

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Solution

The fourth proportional to 352,520,133.93, 486,326,867.22 and 220,131,287.69 is: 303,686,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,520,133.93 : 486,326,867.22 = 220,131,287.69 : x
  2. Step 2: Convert to fraction form
    352,520,133.93/486,326,867.22 = 220,131,287.69/x
  3. Step 3: Cross multiply
    352,520,133.93x = 486,326,867.22 × 220,131,287.69
  4. Step 4: Simplify right side
    352,520,133.93x = 107,055,759,520,598,064
  5. Step 5: Solve for x
    x = 107,055,759,520,598,064/352,520,133.93
  6. Step 6: Final answer
    x = 303,686,936.48

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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.