Home / 445,926,973.36-668,522,204.40-196,754,838.96

Finding the Fourth Proportional to 445,926,973.36, 668,522,204.40 and 196,754,838.96

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Solution

The fourth proportional to 445,926,973.36, 668,522,204.40 and 196,754,838.96 is: 294,969,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,926,973.36 : 668,522,204.40 = 196,754,838.96 : x
  2. Step 2: Convert to fraction form
    445,926,973.36/668,522,204.40 = 196,754,838.96/x
  3. Step 3: Cross multiply
    445,926,973.36x = 668,522,204.40 × 196,754,838.96
  4. Step 4: Simplify right side
    445,926,973.36x = 131,534,978,667,906,208
  5. Step 5: Solve for x
    x = 131,534,978,667,906,208/445,926,973.36
  6. Step 6: Final answer
    x = 294,969,774.26

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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.