Home / 1,888,972,616.88-2,606,791,265.28-1,042,199,896.68

Finding the Fourth Proportional to 1,888,972,616.88, 2,606,791,265.28 and 1,042,199,896.68

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Solution

The fourth proportional to 1,888,972,616.88, 2,606,791,265.28 and 1,042,199,896.68 is: 1,438,240,852.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,972,616.88 : 2,606,791,265.28 = 1,042,199,896.68 : x
  2. Step 2: Convert to fraction form
    1,888,972,616.88/2,606,791,265.28 = 1,042,199,896.68/x
  3. Step 3: Cross multiply
    1,888,972,616.88x = 2,606,791,265.28 × 1,042,199,896.68
  4. Step 4: Simplify right side
    1,888,972,616.88x = 2,716,797,587,341,142,528
  5. Step 5: Solve for x
    x = 2,716,797,587,341,142,528/1,888,972,616.88
  6. Step 6: Final answer
    x = 1,438,240,852.76

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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.