Home / 815,697,192.33-1,223,554,369.14-652,969,404.69

Finding the Fourth Proportional to 815,697,192.33, 1,223,554,369.14 and 652,969,404.69

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Solution

The fourth proportional to 815,697,192.33, 1,223,554,369.14 and 652,969,404.69 is: 979,460,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,697,192.33 : 1,223,554,369.14 = 652,969,404.69 : x
  2. Step 2: Convert to fraction form
    815,697,192.33/1,223,554,369.14 = 652,969,404.69/x
  3. Step 3: Cross multiply
    815,697,192.33x = 1,223,554,369.14 × 652,969,404.69
  4. Step 4: Simplify right side
    815,697,192.33x = 798,943,568,023,194,496
  5. Step 5: Solve for x
    x = 798,943,568,023,194,496/815,697,192.33
  6. Step 6: Final answer
    x = 979,460,975.88

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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.