Home / 678,126,173.38-1,017,340,889.19-247,304,669.38

Finding the Fourth Proportional to 678,126,173.38, 1,017,340,889.19 and 247,304,669.38

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Solution

The fourth proportional to 678,126,173.38, 1,017,340,889.19 and 247,304,669.38 is: 371,012,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,126,173.38 : 1,017,340,889.19 = 247,304,669.38 : x
  2. Step 2: Convert to fraction form
    678,126,173.38/1,017,340,889.19 = 247,304,669.38/x
  3. Step 3: Cross multiply
    678,126,173.38x = 1,017,340,889.19 × 247,304,669.38
  4. Step 4: Simplify right side
    678,126,173.38x = 251,593,152,247,888,160
  5. Step 5: Solve for x
    x = 251,593,152,247,888,160/678,126,173.38
  6. Step 6: Final answer
    x = 371,012,301.43

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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.