Home / 661,412,338.06-992,121,106.88-267,946,596.94

Finding the Fourth Proportional to 661,412,338.06, 992,121,106.88 and 267,946,596.94

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Solution

The fourth proportional to 661,412,338.06, 992,121,106.88 and 267,946,596.94 is: 401,920,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,412,338.06 : 992,121,106.88 = 267,946,596.94 : x
  2. Step 2: Convert to fraction form
    661,412,338.06/992,121,106.88 = 267,946,596.94/x
  3. Step 3: Cross multiply
    661,412,338.06x = 992,121,106.88 × 267,946,596.94
  4. Step 4: Simplify right side
    661,412,338.06x = 265,835,474,340,842,016
  5. Step 5: Solve for x
    x = 265,835,474,340,842,016/661,412,338.06
  6. Step 6: Final answer
    x = 401,920,948.62

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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.