Home / 2,528,343,363.40-3,789,964,128.30-1,149,147,680.20

Finding the Fourth Proportional to 2,528,343,363.40, 3,789,964,128.30 and 1,149,147,680.20

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Solution

The fourth proportional to 2,528,343,363.40, 3,789,964,128.30 and 1,149,147,680.20 is: 1,722,562,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,343,363.40 : 3,789,964,128.30 = 1,149,147,680.20 : x
  2. Step 2: Convert to fraction form
    2,528,343,363.40/3,789,964,128.30 = 1,149,147,680.20/x
  3. Step 3: Cross multiply
    2,528,343,363.40x = 3,789,964,128.30 × 1,149,147,680.20
  4. Step 4: Simplify right side
    2,528,343,363.40x = 4,355,228,486,077,160,448
  5. Step 5: Solve for x
    x = 4,355,228,486,077,160,448/2,528,343,363.40
  6. Step 6: Final answer
    x = 1,722,562,112.85

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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.