Home / 298,731,881,277.90-412,251,238,221.24-161,554,707,505.49

Finding the Fourth Proportional to 298,731,881,277.90, 412,251,238,221.24 and 161,554,707,505.49

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Solution

The fourth proportional to 298,731,881,277.90, 412,251,238,221.24 and 161,554,707,505.49 is: 222,946,168,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,731,881,277.90 : 412,251,238,221.24 = 161,554,707,505.49 : x
  2. Step 2: Convert to fraction form
    298,731,881,277.90/412,251,238,221.24 = 161,554,707,505.49/x
  3. Step 3: Cross multiply
    298,731,881,277.90x = 412,251,238,221.24 × 161,554,707,505.49
  4. Step 4: Simplify right side
    298,731,881,277.90x = 66,601,128,209,608,500,838,400
  5. Step 5: Solve for x
    x = 66,601,128,209,608,500,838,400/298,731,881,277.90
  6. Step 6: Final answer
    x = 222,946,168,064.51

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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.