Home / 298,729,398.96-412,236,385.56-164,772,622.80

Finding the Fourth Proportional to 298,729,398.96, 412,236,385.56 and 164,772,622.80

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Solution

The fourth proportional to 298,729,398.96, 412,236,385.56 and 164,772,622.80 is: 227,380,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,729,398.96 : 412,236,385.56 = 164,772,622.80 : x
  2. Step 2: Convert to fraction form
    298,729,398.96/412,236,385.56 = 164,772,622.80/x
  3. Step 3: Cross multiply
    298,729,398.96x = 412,236,385.56 × 164,772,622.80
  4. Step 4: Simplify right side
    298,729,398.96x = 67,925,270,462,313,256
  5. Step 5: Solve for x
    x = 67,925,270,462,313,256/298,729,398.96
  6. Step 6: Final answer
    x = 227,380,601.64

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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.