Home / 399,159,086.34-550,833,736.60-222,949,587.63

Finding the Fourth Proportional to 399,159,086.34, 550,833,736.60 and 222,949,587.63

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Solution

The fourth proportional to 399,159,086.34, 550,833,736.60 and 222,949,587.63 is: 307,667,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,159,086.34 : 550,833,736.60 = 222,949,587.63 : x
  2. Step 2: Convert to fraction form
    399,159,086.34/550,833,736.60 = 222,949,587.63/x
  3. Step 3: Cross multiply
    399,159,086.34x = 550,833,736.60 × 222,949,587.63
  4. Step 4: Simplify right side
    399,159,086.34x = 122,808,154,427,662,048
  5. Step 5: Solve for x
    x = 122,808,154,427,662,048/399,159,086.34
  6. Step 6: Final answer
    x = 307,667,189.93

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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.