Home / 2,105,664,262.43-3,153,483,144.45-1,218,479,382.59

Finding the Fourth Proportional to 2,105,664,262.43, 3,153,483,144.45 and 1,218,479,382.59

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Solution

The fourth proportional to 2,105,664,262.43, 3,153,483,144.45 and 1,218,479,382.59 is: 1,824,818,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,664,262.43 : 3,153,483,144.45 = 1,218,479,382.59 : x
  2. Step 2: Convert to fraction form
    2,105,664,262.43/3,153,483,144.45 = 1,218,479,382.59/x
  3. Step 3: Cross multiply
    2,105,664,262.43x = 3,153,483,144.45 × 1,218,479,382.59
  4. Step 4: Simplify right side
    2,105,664,262.43x = 3,842,454,194,841,640,448
  5. Step 5: Solve for x
    x = 3,842,454,194,841,640,448/2,105,664,262.43
  6. Step 6: Final answer
    x = 1,824,818,069.72

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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.