Home / 714,984,760.55-986,761,635.21-417,701,315.26

Finding the Fourth Proportional to 714,984,760.55, 986,761,635.21 and 417,701,315.26

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Solution

The fourth proportional to 714,984,760.55, 986,761,635.21 and 417,701,315.26 is: 576,476,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,984,760.55 : 986,761,635.21 = 417,701,315.26 : x
  2. Step 2: Convert to fraction form
    714,984,760.55/986,761,635.21 = 417,701,315.26/x
  3. Step 3: Cross multiply
    714,984,760.55x = 986,761,635.21 × 417,701,315.26
  4. Step 4: Simplify right side
    714,984,760.55x = 412,171,632,876,568,640
  5. Step 5: Solve for x
    x = 412,171,632,876,568,640/714,984,760.55
  6. Step 6: Final answer
    x = 576,476,109.17

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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.