Home / 1,639,605,318.90-2,459,407,978.35-1,481,448,477.30

Finding the Fourth Proportional to 1,639,605,318.90, 2,459,407,978.35 and 1,481,448,477.30

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Solution

The fourth proportional to 1,639,605,318.90, 2,459,407,978.35 and 1,481,448,477.30 is: 2,222,172,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,605,318.90 : 2,459,407,978.35 = 1,481,448,477.30 : x
  2. Step 2: Convert to fraction form
    1,639,605,318.90/2,459,407,978.35 = 1,481,448,477.30/x
  3. Step 3: Cross multiply
    1,639,605,318.90x = 2,459,407,978.35 × 1,481,448,477.30
  4. Step 4: Simplify right side
    1,639,605,318.90x = 3,643,486,204,586,078,720
  5. Step 5: Solve for x
    x = 3,643,486,204,586,078,720/1,639,605,318.90
  6. Step 6: Final answer
    x = 2,222,172,715.95

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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.