Home / 811,722,813,104.75-1,120,178,216,265.50-445,940,711,832.25

Finding the Fourth Proportional to 811,722,813,104.75, 1,120,178,216,265.50 and 445,940,711,832.25

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Solution

The fourth proportional to 811,722,813,104.75, 1,120,178,216,265.50 and 445,940,711,832.25 is: 615,398,585,669.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,722,813,104.75 : 1,120,178,216,265.50 = 445,940,711,832.25 : x
  2. Step 2: Convert to fraction form
    811,722,813,104.75/1,120,178,216,265.50 = 445,940,711,832.25/x
  3. Step 3: Cross multiply
    811,722,813,104.75x = 1,120,178,216,265.50 × 445,940,711,832.25
  4. Step 4: Simplify right side
    811,722,813,104.75x = 499,533,071,140,417,175,552,000
  5. Step 5: Solve for x
    x = 499,533,071,140,417,175,552,000/811,722,813,104.75
  6. Step 6: Final answer
    x = 615,398,585,669.61

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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.