Home / 2,199,641,248.80-3,299,461,873.20-1,915,532,890.20

Finding the Fourth Proportional to 2,199,641,248.80, 3,299,461,873.20 and 1,915,532,890.20

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Solution

The fourth proportional to 2,199,641,248.80, 3,299,461,873.20 and 1,915,532,890.20 is: 2,873,299,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,641,248.80 : 3,299,461,873.20 = 1,915,532,890.20 : x
  2. Step 2: Convert to fraction form
    2,199,641,248.80/3,299,461,873.20 = 1,915,532,890.20/x
  3. Step 3: Cross multiply
    2,199,641,248.80x = 3,299,461,873.20 × 1,915,532,890.20
  4. Step 4: Simplify right side
    2,199,641,248.80x = 6,320,227,738,075,501,568
  5. Step 5: Solve for x
    x = 6,320,227,738,075,501,568/2,199,641,248.80
  6. Step 6: Final answer
    x = 2,873,299,335.30

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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.