Home / 709,157,348.35-1,062,889,721.56-330,059,452.61

Finding the Fourth Proportional to 709,157,348.35, 1,062,889,721.56 and 330,059,452.61

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Solution

The fourth proportional to 709,157,348.35, 1,062,889,721.56 and 330,059,452.61 is: 494,695,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,157,348.35 : 1,062,889,721.56 = 330,059,452.61 : x
  2. Step 2: Convert to fraction form
    709,157,348.35/1,062,889,721.56 = 330,059,452.61/x
  3. Step 3: Cross multiply
    709,157,348.35x = 1,062,889,721.56 × 330,059,452.61
  4. Step 4: Simplify right side
    709,157,348.35x = 350,816,799,682,888,896
  5. Step 5: Solve for x
    x = 350,816,799,682,888,896/709,157,348.35
  6. Step 6: Final answer
    x = 494,695,289.42

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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.