Home / 3,621,672,139.20-5,432,508,208.80-1,968,678,052.80

Finding the Fourth Proportional to 3,621,672,139.20, 5,432,508,208.80 and 1,968,678,052.80

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Solution

The fourth proportional to 3,621,672,139.20, 5,432,508,208.80 and 1,968,678,052.80 is: 2,953,017,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,672,139.20 : 5,432,508,208.80 = 1,968,678,052.80 : x
  2. Step 2: Convert to fraction form
    3,621,672,139.20/5,432,508,208.80 = 1,968,678,052.80/x
  3. Step 3: Cross multiply
    3,621,672,139.20x = 5,432,508,208.80 × 1,968,678,052.80
  4. Step 4: Simplify right side
    3,621,672,139.20x = 10,694,859,682,320,400,384
  5. Step 5: Solve for x
    x = 10,694,859,682,320,400,384/3,621,672,139.20
  6. Step 6: Final answer
    x = 2,953,017,079.20

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Double scale
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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.