Home / 1,259,491,113.54-1,738,726,994.34-783,334,960.92

Finding the Fourth Proportional to 1,259,491,113.54, 1,738,726,994.34 and 783,334,960.92

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Solution

The fourth proportional to 1,259,491,113.54, 1,738,726,994.34 and 783,334,960.92 is: 1,081,393,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,491,113.54 : 1,738,726,994.34 = 783,334,960.92 : x
  2. Step 2: Convert to fraction form
    1,259,491,113.54/1,738,726,994.34 = 783,334,960.92/x
  3. Step 3: Cross multiply
    1,259,491,113.54x = 1,738,726,994.34 × 783,334,960.92
  4. Step 4: Simplify right side
    1,259,491,113.54x = 1,362,005,642,161,872,896
  5. Step 5: Solve for x
    x = 1,362,005,642,161,872,896/1,259,491,113.54
  6. Step 6: Final answer
    x = 1,081,393,610.10

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Double scale
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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.