Home / 356,405,815.73-491,831,246.88-197,635,061.36

Finding the Fourth Proportional to 356,405,815.73, 491,831,246.88 and 197,635,061.36

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Solution

The fourth proportional to 356,405,815.73, 491,831,246.88 and 197,635,061.36 is: 272,731,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,405,815.73 : 491,831,246.88 = 197,635,061.36 : x
  2. Step 2: Convert to fraction form
    356,405,815.73/491,831,246.88 = 197,635,061.36/x
  3. Step 3: Cross multiply
    356,405,815.73x = 491,831,246.88 × 197,635,061.36
  4. Step 4: Simplify right side
    356,405,815.73x = 97,203,098,653,434,944
  5. Step 5: Solve for x
    x = 97,203,098,653,434,944/356,405,815.73
  6. Step 6: Final answer
    x = 272,731,516.62

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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.