Home / 764,746,522,934.20-1,055,826,569,280.50-486,805,968,115.05

Finding the Fourth Proportional to 764,746,522,934.20, 1,055,826,569,280.50 and 486,805,968,115.05

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Solution

The fourth proportional to 764,746,522,934.20, 1,055,826,569,280.50 and 486,805,968,115.05 is: 672,095,471,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,746,522,934.20 : 1,055,826,569,280.50 = 486,805,968,115.05 : x
  2. Step 2: Convert to fraction form
    764,746,522,934.20/1,055,826,569,280.50 = 486,805,968,115.05/x
  3. Step 3: Cross multiply
    764,746,522,934.20x = 1,055,826,569,280.50 × 486,805,968,115.05
  4. Step 4: Simplify right side
    764,746,522,934.20x = 513,982,675,220,185,732,874,240
  5. Step 5: Solve for x
    x = 513,982,675,220,185,732,874,240/764,746,522,934.20
  6. Step 6: Final answer
    x = 672,095,471,906.33

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Double scale
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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.