Home / 1,383,412,691.95-1,909,155,042.21-756,866,782.06

Finding the Fourth Proportional to 1,383,412,691.95, 1,909,155,042.21 and 756,866,782.06

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Solution

The fourth proportional to 1,383,412,691.95, 1,909,155,042.21 and 756,866,782.06 is: 1,044,501,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,412,691.95 : 1,909,155,042.21 = 756,866,782.06 : x
  2. Step 2: Convert to fraction form
    1,383,412,691.95/1,909,155,042.21 = 756,866,782.06/x
  3. Step 3: Cross multiply
    1,383,412,691.95x = 1,909,155,042.21 × 756,866,782.06
  4. Step 4: Simplify right side
    1,383,412,691.95x = 1,444,976,033,251,106,048
  5. Step 5: Solve for x
    x = 1,444,976,033,251,106,048/1,383,412,691.95
  6. Step 6: Final answer
    x = 1,044,501,067.29

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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.