Home / 417,961,428.84-576,772,244.19-269,288,816.49

Finding the Fourth Proportional to 417,961,428.84, 576,772,244.19 and 269,288,816.49

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Solution

The fourth proportional to 417,961,428.84, 576,772,244.19 and 269,288,816.49 is: 371,609,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,961,428.84 : 576,772,244.19 = 269,288,816.49 : x
  2. Step 2: Convert to fraction form
    417,961,428.84/576,772,244.19 = 269,288,816.49/x
  3. Step 3: Cross multiply
    417,961,428.84x = 576,772,244.19 × 269,288,816.49
  4. Step 4: Simplify right side
    417,961,428.84x = 155,318,315,022,206,400
  5. Step 5: Solve for x
    x = 155,318,315,022,206,400/417,961,428.84
  6. Step 6: Final answer
    x = 371,609,206.75

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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.