Home / 5,214,492,033.60-7,821,738,050.40-3,561,497,947.20

Finding the Fourth Proportional to 5,214,492,033.60, 7,821,738,050.40 and 3,561,497,947.20

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Solution

The fourth proportional to 5,214,492,033.60, 7,821,738,050.40 and 3,561,497,947.20 is: 5,342,246,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,492,033.60 : 7,821,738,050.40 = 3,561,497,947.20 : x
  2. Step 2: Convert to fraction form
    5,214,492,033.60/7,821,738,050.40 = 3,561,497,947.20/x
  3. Step 3: Cross multiply
    5,214,492,033.60x = 7,821,738,050.40 × 3,561,497,947.20
  4. Step 4: Simplify right side
    5,214,492,033.60x = 27,857,104,010,035,728,384
  5. Step 5: Solve for x
    x = 27,857,104,010,035,728,384/5,214,492,033.60
  6. Step 6: Final answer
    x = 5,342,246,920.80

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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.