Home / 1,812,456,438.30-2,718,684,657.45-1,608,215,132.70

Finding the Fourth Proportional to 1,812,456,438.30, 2,718,684,657.45 and 1,608,215,132.70

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Solution

The fourth proportional to 1,812,456,438.30, 2,718,684,657.45 and 1,608,215,132.70 is: 2,412,322,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,456,438.30 : 2,718,684,657.45 = 1,608,215,132.70 : x
  2. Step 2: Convert to fraction form
    1,812,456,438.30/2,718,684,657.45 = 1,608,215,132.70/x
  3. Step 3: Cross multiply
    1,812,456,438.30x = 2,718,684,657.45 × 1,608,215,132.70
  4. Step 4: Simplify right side
    1,812,456,438.30x = 4,372,229,807,150,405,632
  5. Step 5: Solve for x
    x = 4,372,229,807,150,405,632/1,812,456,438.30
  6. Step 6: Final answer
    x = 2,412,322,699.05

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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.