Home / 445,910,426.70-668,951,776.70-169,540,152.47

Finding the Fourth Proportional to 445,910,426.70, 668,951,776.70 and 169,540,152.47

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Solution

The fourth proportional to 445,910,426.70, 668,951,776.70 and 169,540,152.47 is: 254,342,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,910,426.70 : 668,951,776.70 = 169,540,152.47 : x
  2. Step 2: Convert to fraction form
    445,910,426.70/668,951,776.70 = 169,540,152.47/x
  3. Step 3: Cross multiply
    445,910,426.70x = 668,951,776.70 × 169,540,152.47
  4. Step 4: Simplify right side
    445,910,426.70x = 113,414,186,212,602,944
  5. Step 5: Solve for x
    x = 113,414,186,212,602,944/445,910,426.70
  6. Step 6: Final answer
    x = 254,342,978.82

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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.