Home / 2,239,915,544.56-3,090,621,988.44-1,287,112,180.06

Finding the Fourth Proportional to 2,239,915,544.56, 3,090,621,988.44 and 1,287,112,180.06

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Solution

The fourth proportional to 2,239,915,544.56, 3,090,621,988.44 and 1,287,112,180.06 is: 1,775,949,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,915,544.56 : 3,090,621,988.44 = 1,287,112,180.06 : x
  2. Step 2: Convert to fraction form
    2,239,915,544.56/3,090,621,988.44 = 1,287,112,180.06/x
  3. Step 3: Cross multiply
    2,239,915,544.56x = 3,090,621,988.44 × 1,287,112,180.06
  4. Step 4: Simplify right side
    2,239,915,544.56x = 3,977,977,205,282,380,288
  5. Step 5: Solve for x
    x = 3,977,977,205,282,380,288/2,239,915,544.56
  6. Step 6: Final answer
    x = 1,775,949,640.13

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Double scale
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1.5x scale

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.