Home / 526,760,736.21-726,895,725.53-288,605,594.27

Finding the Fourth Proportional to 526,760,736.21, 726,895,725.53 and 288,605,594.27

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Solution

The fourth proportional to 526,760,736.21, 726,895,725.53 and 288,605,594.27 is: 398,257,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,760,736.21 : 726,895,725.53 = 288,605,594.27 : x
  2. Step 2: Convert to fraction form
    526,760,736.21/726,895,725.53 = 288,605,594.27/x
  3. Step 3: Cross multiply
    526,760,736.21x = 726,895,725.53 × 288,605,594.27
  4. Step 4: Simplify right side
    526,760,736.21x = 209,786,172,839,282,656
  5. Step 5: Solve for x
    x = 209,786,172,839,282,656/526,760,736.21
  6. Step 6: Final answer
    x = 398,257,042.37

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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.