Home / 541,676,634.14-812,258,863.16-209,839,079.54

Finding the Fourth Proportional to 541,676,634.14, 812,258,863.16 and 209,839,079.54

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Solution

The fourth proportional to 541,676,634.14, 812,258,863.16 and 209,839,079.54 is: 314,659,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,676,634.14 : 812,258,863.16 = 209,839,079.54 : x
  2. Step 2: Convert to fraction form
    541,676,634.14/812,258,863.16 = 209,839,079.54/x
  3. Step 3: Cross multiply
    541,676,634.14x = 812,258,863.16 × 209,839,079.54
  4. Step 4: Simplify right side
    541,676,634.14x = 170,443,652,188,590,720
  5. Step 5: Solve for x
    x = 170,443,652,188,590,720/541,676,634.14
  6. Step 6: Final answer
    x = 314,659,413.84

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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.