Home / 481,624,689.22-664,697,206.46-269,988,680.07

Finding the Fourth Proportional to 481,624,689.22, 664,697,206.46 and 269,988,680.07

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Solution

The fourth proportional to 481,624,689.22, 664,697,206.46 and 269,988,680.07 is: 372,615,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,624,689.22 : 664,697,206.46 = 269,988,680.07 : x
  2. Step 2: Convert to fraction form
    481,624,689.22/664,697,206.46 = 269,988,680.07/x
  3. Step 3: Cross multiply
    481,624,689.22x = 664,697,206.46 × 269,988,680.07
  4. Step 4: Simplify right side
    481,624,689.22x = 179,460,721,419,026,624
  5. Step 5: Solve for x
    x = 179,460,721,419,026,624/481,624,689.22
  6. Step 6: Final answer
    x = 372,615,286.21

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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.