Home / 243,218,649,427.52-364,888,740,253.39-171,647,906,591.37

Finding the Fourth Proportional to 243,218,649,427.52, 364,888,740,253.39 and 171,647,906,591.37

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Solution

The fourth proportional to 243,218,649,427.52, 364,888,740,253.39 and 171,647,906,591.37 is: 257,514,744,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,218,649,427.52 : 364,888,740,253.39 = 171,647,906,591.37 : x
  2. Step 2: Convert to fraction form
    243,218,649,427.52/364,888,740,253.39 = 171,647,906,591.37/x
  3. Step 3: Cross multiply
    243,218,649,427.52x = 364,888,740,253.39 × 171,647,906,591.37
  4. Step 4: Simplify right side
    243,218,649,427.52x = 62,632,388,403,256,560,189,440
  5. Step 5: Solve for x
    x = 62,632,388,403,256,560,189,440/243,218,649,427.52
  6. Step 6: Final answer
    x = 257,514,744,657.45

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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.