Home / 492,864,317.28-680,125,812.06-269,802,847.41

Finding the Fourth Proportional to 492,864,317.28, 680,125,812.06 and 269,802,847.41

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Solution

The fourth proportional to 492,864,317.28, 680,125,812.06 and 269,802,847.41 is: 372,313,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,864,317.28 : 680,125,812.06 = 269,802,847.41 : x
  2. Step 2: Convert to fraction form
    492,864,317.28/680,125,812.06 = 269,802,847.41/x
  3. Step 3: Cross multiply
    492,864,317.28x = 680,125,812.06 × 269,802,847.41
  4. Step 4: Simplify right side
    492,864,317.28x = 183,499,880,690,826,528
  5. Step 5: Solve for x
    x = 183,499,880,690,826,528/492,864,317.28
  6. Step 6: Final answer
    x = 372,313,178.81

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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.