Home / 3,618,465,942.71-5,428,011,571.56-998,270,047.66

Finding the Fourth Proportional to 3,618,465,942.71, 5,428,011,571.56 and 998,270,047.66

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Solution

The fourth proportional to 3,618,465,942.71, 5,428,011,571.56 and 998,270,047.66 is: 1,497,491,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,465,942.71 : 5,428,011,571.56 = 998,270,047.66 : x
  2. Step 2: Convert to fraction form
    3,618,465,942.71/5,428,011,571.56 = 998,270,047.66/x
  3. Step 3: Cross multiply
    3,618,465,942.71x = 5,428,011,571.56 × 998,270,047.66
  4. Step 4: Simplify right side
    3,618,465,942.71x = 5,418,621,370,208,101,376
  5. Step 5: Solve for x
    x = 5,418,621,370,208,101,376/3,618,465,942.71
  6. Step 6: Final answer
    x = 1,497,491,328.09

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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.