Home / 2,165,471,806.51-2,988,273,759.06-1,225,654,268.50

Finding the Fourth Proportional to 2,165,471,806.51, 2,988,273,759.06 and 1,225,654,268.50

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Solution

The fourth proportional to 2,165,471,806.51, 2,988,273,759.06 and 1,225,654,268.50 is: 1,691,359,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,471,806.51 : 2,988,273,759.06 = 1,225,654,268.50 : x
  2. Step 2: Convert to fraction form
    2,165,471,806.51/2,988,273,759.06 = 1,225,654,268.50/x
  3. Step 3: Cross multiply
    2,165,471,806.51x = 2,988,273,759.06 × 1,225,654,268.50
  4. Step 4: Simplify right side
    2,165,471,806.51x = 3,662,590,488,238,429,696
  5. Step 5: Solve for x
    x = 3,662,590,488,238,429,696/2,165,471,806.51
  6. Step 6: Final answer
    x = 1,691,359,119.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.