Home / 352,066,564.28-485,902,382.76-210,943,357.88

Finding the Fourth Proportional to 352,066,564.28, 485,902,382.76 and 210,943,357.88

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Solution

The fourth proportional to 352,066,564.28, 485,902,382.76 and 210,943,357.88 is: 291,132,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,066,564.28 : 485,902,382.76 = 210,943,357.88 : x
  2. Step 2: Convert to fraction form
    352,066,564.28/485,902,382.76 = 210,943,357.88/x
  3. Step 3: Cross multiply
    352,066,564.28x = 485,902,382.76 × 210,943,357.88
  4. Step 4: Simplify right side
    352,066,564.28x = 102,497,880,221,287,424
  5. Step 5: Solve for x
    x = 102,497,880,221,287,424/352,066,564.28
  6. Step 6: Final answer
    x = 291,132,105.75

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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.