Home / 3,542,949,972.80-5,314,424,959.20-1,213,112,628.80

Finding the Fourth Proportional to 3,542,949,972.80, 5,314,424,959.20 and 1,213,112,628.80

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Solution

The fourth proportional to 3,542,949,972.80, 5,314,424,959.20 and 1,213,112,628.80 is: 1,819,668,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,949,972.80 : 5,314,424,959.20 = 1,213,112,628.80 : x
  2. Step 2: Convert to fraction form
    3,542,949,972.80/5,314,424,959.20 = 1,213,112,628.80/x
  3. Step 3: Cross multiply
    3,542,949,972.80x = 5,314,424,959.20 × 1,213,112,628.80
  4. Step 4: Simplify right side
    3,542,949,972.80x = 6,446,996,032,815,443,968
  5. Step 5: Solve for x
    x = 6,446,996,032,815,443,968/3,542,949,972.80
  6. Step 6: Final answer
    x = 1,819,668,943.20

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Double scale
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Similar ratio
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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.