Home / 796,103,380.85-1,098,625,994.39-438,863,315.51

Finding the Fourth Proportional to 796,103,380.85, 1,098,625,994.39 and 438,863,315.51

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Solution

The fourth proportional to 796,103,380.85, 1,098,625,994.39 and 438,863,315.51 is: 605,633,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,103,380.85 : 1,098,625,994.39 = 438,863,315.51 : x
  2. Step 2: Convert to fraction form
    796,103,380.85/1,098,625,994.39 = 438,863,315.51/x
  3. Step 3: Cross multiply
    796,103,380.85x = 1,098,625,994.39 × 438,863,315.51
  4. Step 4: Simplify right side
    796,103,380.85x = 482,146,646,407,309,760
  5. Step 5: Solve for x
    x = 482,146,646,407,309,760/796,103,380.85
  6. Step 6: Final answer
    x = 605,633,210.47

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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.