Home / 746,568,608.40-1,119,852,912.60-261,943,405.20

Finding the Fourth Proportional to 746,568,608.40, 1,119,852,912.60 and 261,943,405.20

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Solution

The fourth proportional to 746,568,608.40, 1,119,852,912.60 and 261,943,405.20 is: 392,915,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,568,608.40 : 1,119,852,912.60 = 261,943,405.20 : x
  2. Step 2: Convert to fraction form
    746,568,608.40/1,119,852,912.60 = 261,943,405.20/x
  3. Step 3: Cross multiply
    746,568,608.40x = 1,119,852,912.60 × 261,943,405.20
  4. Step 4: Simplify right side
    746,568,608.40x = 293,338,085,249,581,952
  5. Step 5: Solve for x
    x = 293,338,085,249,581,952/746,568,608.40
  6. Step 6: Final answer
    x = 392,915,107.80

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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.