Home / 3,981,314,536.80-5,971,971,805.20-3,957,128,066.40

Finding the Fourth Proportional to 3,981,314,536.80, 5,971,971,805.20 and 3,957,128,066.40

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Solution

The fourth proportional to 3,981,314,536.80, 5,971,971,805.20 and 3,957,128,066.40 is: 5,935,692,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,314,536.80 : 5,971,971,805.20 = 3,957,128,066.40 : x
  2. Step 2: Convert to fraction form
    3,981,314,536.80/5,971,971,805.20 = 3,957,128,066.40/x
  3. Step 3: Cross multiply
    3,981,314,536.80x = 5,971,971,805.20 × 3,957,128,066.40
  4. Step 4: Simplify right side
    3,981,314,536.80x = 23,631,857,242,106,392,576
  5. Step 5: Solve for x
    x = 23,631,857,242,106,392,576/3,981,314,536.80
  6. Step 6: Final answer
    x = 5,935,692,099.60

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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.