Home / 460,476,147.28-691,072,401.52-321,398,246

Finding the Fourth Proportional to 460,476,147.28, 691,072,401.52 and 321,398,246

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Solution

The fourth proportional to 460,476,147.28, 691,072,401.52 and 321,398,246 is: 482,347,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,476,147.28 : 691,072,401.52 = 321,398,246 : x
  2. Step 2: Convert to fraction form
    460,476,147.28/691,072,401.52 = 321,398,246/x
  3. Step 3: Cross multiply
    460,476,147.28x = 691,072,401.52 × 321,398,246
  4. Step 4: Simplify right side
    460,476,147.28x = 222,109,457,707,535,712
  5. Step 5: Solve for x
    x = 222,109,457,707,535,712/460,476,147.28
  6. Step 6: Final answer
    x = 482,347,368.09

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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.