Home / 1,383,032,879.97-1,908,591,085.31-747,953,358.05

Finding the Fourth Proportional to 1,383,032,879.97, 1,908,591,085.31 and 747,953,358.05

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Solution

The fourth proportional to 1,383,032,879.97, 1,908,591,085.31 and 747,953,358.05 is: 1,032,178,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,032,879.97 : 1,908,591,085.31 = 747,953,358.05 : x
  2. Step 2: Convert to fraction form
    1,383,032,879.97/1,908,591,085.31 = 747,953,358.05/x
  3. Step 3: Cross multiply
    1,383,032,879.97x = 1,908,591,085.31 × 747,953,358.05
  4. Step 4: Simplify right side
    1,383,032,879.97x = 1,427,537,111,388,625,664
  5. Step 5: Solve for x
    x = 1,427,537,111,388,625,664/1,383,032,879.97
  6. Step 6: Final answer
    x = 1,032,178,722.62

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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.