Home / 767,724,049.92-1,150,660,853.88-352,628,067.36

Finding the Fourth Proportional to 767,724,049.92, 1,150,660,853.88 and 352,628,067.36

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Solution

The fourth proportional to 767,724,049.92, 1,150,660,853.88 and 352,628,067.36 is: 528,517,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,724,049.92 : 1,150,660,853.88 = 352,628,067.36 : x
  2. Step 2: Convert to fraction form
    767,724,049.92/1,150,660,853.88 = 352,628,067.36/x
  3. Step 3: Cross multiply
    767,724,049.92x = 1,150,660,853.88 × 352,628,067.36
  4. Step 4: Simplify right side
    767,724,049.92x = 405,755,313,090,511,808
  5. Step 5: Solve for x
    x = 405,755,313,090,511,808/767,724,049.92
  6. Step 6: Final answer
    x = 528,517,132.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.