Home / 1,812,456,421.80-2,718,684,632.70-1,608,215,116.20

Finding the Fourth Proportional to 1,812,456,421.80, 2,718,684,632.70 and 1,608,215,116.20

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Solution

The fourth proportional to 1,812,456,421.80, 2,718,684,632.70 and 1,608,215,116.20 is: 2,412,322,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,456,421.80 : 2,718,684,632.70 = 1,608,215,116.20 : x
  2. Step 2: Convert to fraction form
    1,812,456,421.80/2,718,684,632.70 = 1,608,215,116.20/x
  3. Step 3: Cross multiply
    1,812,456,421.80x = 2,718,684,632.70 × 1,608,215,116.20
  4. Step 4: Simplify right side
    1,812,456,421.80x = 4,372,229,722,488,784,896
  5. Step 5: Solve for x
    x = 4,372,229,722,488,784,896/1,812,456,421.80
  6. Step 6: Final answer
    x = 2,412,322,674.30

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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.