Home / 3,878,736,716.85-5,818,105,152.41-931,016,335.20

Finding the Fourth Proportional to 3,878,736,716.85, 5,818,105,152.41 and 931,016,335.20

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Solution

The fourth proportional to 3,878,736,716.85, 5,818,105,152.41 and 931,016,335.20 is: 1,396,524,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,736,716.85 : 5,818,105,152.41 = 931,016,335.20 : x
  2. Step 2: Convert to fraction form
    3,878,736,716.85/5,818,105,152.41 = 931,016,335.20/x
  3. Step 3: Cross multiply
    3,878,736,716.85x = 5,818,105,152.41 × 931,016,335.20
  4. Step 4: Simplify right side
    3,878,736,716.85x = 5,416,750,936,778,522,624
  5. Step 5: Solve for x
    x = 5,416,750,936,778,522,624/3,878,736,716.85
  6. Step 6: Final answer
    x = 1,396,524,521.31

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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.