Home / 6,787,113,690.42-9,366,070,015.11-3,929,376,400.74

Finding the Fourth Proportional to 6,787,113,690.42, 9,366,070,015.11 and 3,929,376,400.74

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Solution

The fourth proportional to 6,787,113,690.42, 9,366,070,015.11 and 3,929,376,400.74 is: 5,422,454,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787,113,690.42 : 9,366,070,015.11 = 3,929,376,400.74 : x
  2. Step 2: Convert to fraction form
    6,787,113,690.42/9,366,070,015.11 = 3,929,376,400.74/x
  3. Step 3: Cross multiply
    6,787,113,690.42x = 9,366,070,015.11 × 3,929,376,400.74
  4. Step 4: Simplify right side
    6,787,113,690.42x = 36,802,814,485,051,768,832
  5. Step 5: Solve for x
    x = 36,802,814,485,051,768,832/6,787,113,690.42
  6. Step 6: Final answer
    x = 5,422,454,398.69

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1.5x scale

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.