Home / 1,729,507,781.08-2,386,891,456.86-987,062,921.56

Finding the Fourth Proportional to 1,729,507,781.08, 2,386,891,456.86 and 987,062,921.56

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Solution

The fourth proportional to 1,729,507,781.08, 2,386,891,456.86 and 987,062,921.56 is: 1,362,244,264.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,507,781.08 : 2,386,891,456.86 = 987,062,921.56 : x
  2. Step 2: Convert to fraction form
    1,729,507,781.08/2,386,891,456.86 = 987,062,921.56/x
  3. Step 3: Cross multiply
    1,729,507,781.08x = 2,386,891,456.86 × 987,062,921.56
  4. Step 4: Simplify right side
    1,729,507,781.08x = 2,356,012,054,854,836,224
  5. Step 5: Solve for x
    x = 2,356,012,054,854,836,224/1,729,507,781.08
  6. Step 6: Final answer
    x = 1,362,244,264.31

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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.