Home / 491,273,318.70-677,960,457.39-268,256,548.85

Finding the Fourth Proportional to 491,273,318.70, 677,960,457.39 and 268,256,548.85

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Solution

The fourth proportional to 491,273,318.70, 677,960,457.39 and 268,256,548.85 is: 370,195,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,273,318.70 : 677,960,457.39 = 268,256,548.85 : x
  2. Step 2: Convert to fraction form
    491,273,318.70/677,960,457.39 = 268,256,548.85/x
  3. Step 3: Cross multiply
    491,273,318.70x = 677,960,457.39 × 268,256,548.85
  4. Step 4: Simplify right side
    491,273,318.70x = 181,867,332,552,819,072
  5. Step 5: Solve for x
    x = 181,867,332,552,819,072/491,273,318.70
  6. Step 6: Final answer
    x = 370,195,827.11

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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.