Home / 358,909,096.61-495,329,861.94-217,769,239.76

Finding the Fourth Proportional to 358,909,096.61, 495,329,861.94 and 217,769,239.76

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Solution

The fourth proportional to 358,909,096.61, 495,329,861.94 and 217,769,239.76 is: 300,542,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,909,096.61 : 495,329,861.94 = 217,769,239.76 : x
  2. Step 2: Convert to fraction form
    358,909,096.61/495,329,861.94 = 217,769,239.76/x
  3. Step 3: Cross multiply
    358,909,096.61x = 495,329,861.94 × 217,769,239.76
  4. Step 4: Simplify right side
    358,909,096.61x = 107,867,607,462,622,912
  5. Step 5: Solve for x
    x = 107,867,607,462,622,912/358,909,096.61
  6. Step 6: Final answer
    x = 300,542,974.48

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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.