Home / 661,412,341.56-992,121,112.13-267,946,600.44

Finding the Fourth Proportional to 661,412,341.56, 992,121,112.13 and 267,946,600.44

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Solution

The fourth proportional to 661,412,341.56, 992,121,112.13 and 267,946,600.44 is: 401,920,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,412,341.56 : 992,121,112.13 = 267,946,600.44 : x
  2. Step 2: Convert to fraction form
    661,412,341.56/992,121,112.13 = 267,946,600.44/x
  3. Step 3: Cross multiply
    661,412,341.56x = 992,121,112.13 × 267,946,600.44
  4. Step 4: Simplify right side
    661,412,341.56x = 265,835,479,218,645,824
  5. Step 5: Solve for x
    x = 265,835,479,218,645,824/661,412,341.56
  6. Step 6: Final answer
    x = 401,920,953.87

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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.