Home / 2,720,642,757.80-4,080,964,136.70-880,581,439.40

Finding the Fourth Proportional to 2,720,642,757.80, 4,080,964,136.70 and 880,581,439.40

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Solution

The fourth proportional to 2,720,642,757.80, 4,080,964,136.70 and 880,581,439.40 is: 1,320,872,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,642,757.80 : 4,080,964,136.70 = 880,581,439.40 : x
  2. Step 2: Convert to fraction form
    2,720,642,757.80/4,080,964,136.70 = 880,581,439.40/x
  3. Step 3: Cross multiply
    2,720,642,757.80x = 4,080,964,136.70 × 880,581,439.40
  4. Step 4: Simplify right side
    2,720,642,757.80x = 3,593,621,273,635,064,320
  5. Step 5: Solve for x
    x = 3,593,621,273,635,064,320/2,720,642,757.80
  6. Step 6: Final answer
    x = 1,320,872,159.10

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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.