Home / 1,244,507,051.28-1,717,488,605.52-687,578,141.04

Finding the Fourth Proportional to 1,244,507,051.28, 1,717,488,605.52 and 687,578,141.04

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Solution

The fourth proportional to 1,244,507,051.28, 1,717,488,605.52 and 687,578,141.04 is: 948,895,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,507,051.28 : 1,717,488,605.52 = 687,578,141.04 : x
  2. Step 2: Convert to fraction form
    1,244,507,051.28/1,717,488,605.52 = 687,578,141.04/x
  3. Step 3: Cross multiply
    1,244,507,051.28x = 1,717,488,605.52 × 687,578,141.04
  4. Step 4: Simplify right side
    1,244,507,051.28x = 1,180,907,622,640,823,296
  5. Step 5: Solve for x
    x = 1,180,907,622,640,823,296/1,244,507,051.28
  6. Step 6: Final answer
    x = 948,895,887.27

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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.