Home / 746,568,603.40-1,119,852,905.10-261,943,400.20

Finding the Fourth Proportional to 746,568,603.40, 1,119,852,905.10 and 261,943,400.20

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Solution

The fourth proportional to 746,568,603.40, 1,119,852,905.10 and 261,943,400.20 is: 392,915,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,568,603.40 : 1,119,852,905.10 = 261,943,400.20 : x
  2. Step 2: Convert to fraction form
    746,568,603.40/1,119,852,905.10 = 261,943,400.20/x
  3. Step 3: Cross multiply
    746,568,603.40x = 1,119,852,905.10 × 261,943,400.20
  4. Step 4: Simplify right side
    746,568,603.40x = 293,338,077,685,741,888
  5. Step 5: Solve for x
    x = 293,338,077,685,741,888/746,568,603.40
  6. Step 6: Final answer
    x = 392,915,100.30

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1.5x scale

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.