Home / 696,843,106.11-961,668,862.97-379,288,010.03

Finding the Fourth Proportional to 696,843,106.11, 961,668,862.97 and 379,288,010.03

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Solution

The fourth proportional to 696,843,106.11, 961,668,862.97 and 379,288,010.03 is: 523,431,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,843,106.11 : 961,668,862.97 = 379,288,010.03 : x
  2. Step 2: Convert to fraction form
    696,843,106.11/961,668,862.97 = 379,288,010.03/x
  3. Step 3: Cross multiply
    696,843,106.11x = 961,668,862.97 × 379,288,010.03
  4. Step 4: Simplify right side
    696,843,106.11x = 364,749,469,336,999,232
  5. Step 5: Solve for x
    x = 364,749,469,336,999,232/696,843,106.11
  6. Step 6: Final answer
    x = 523,431,266.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.