Home / 661,412,337.81-992,121,106.50-267,946,596.69

Finding the Fourth Proportional to 661,412,337.81, 992,121,106.50 and 267,946,596.69

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Solution

The fourth proportional to 661,412,337.81, 992,121,106.50 and 267,946,596.69 is: 401,920,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,412,337.81 : 992,121,106.50 = 267,946,596.69 : x
  2. Step 2: Convert to fraction form
    661,412,337.81/992,121,106.50 = 267,946,596.69/x
  3. Step 3: Cross multiply
    661,412,337.81x = 992,121,106.50 × 267,946,596.69
  4. Step 4: Simplify right side
    661,412,337.81x = 265,835,473,990,992,032
  5. Step 5: Solve for x
    x = 265,835,473,990,992,032/661,412,337.81
  6. Step 6: Final answer
    x = 401,920,948.24

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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.