Home / 288,972,007,352.58-398,691,402,741.42-166,992,303,239.58

Finding the Fourth Proportional to 288,972,007,352.58, 398,691,402,741.42 and 166,992,303,239.58

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Solution

The fourth proportional to 288,972,007,352.58, 398,691,402,741.42 and 166,992,303,239.58 is: 230,397,387,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,972,007,352.58 : 398,691,402,741.42 = 166,992,303,239.58 : x
  2. Step 2: Convert to fraction form
    288,972,007,352.58/398,691,402,741.42 = 166,992,303,239.58/x
  3. Step 3: Cross multiply
    288,972,007,352.58x = 398,691,402,741.42 × 166,992,303,239.58
  4. Step 4: Simplify right side
    288,972,007,352.58x = 66,578,395,625,608,714,387,456
  5. Step 5: Solve for x
    x = 66,578,395,625,608,714,387,456/288,972,007,352.58
  6. Step 6: Final answer
    x = 230,397,387,745.50

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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.