Home / 1,247,944,260.96-1,722,142,039.50-691,015,350.60

Finding the Fourth Proportional to 1,247,944,260.96, 1,722,142,039.50 and 691,015,350.60

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Solution

The fourth proportional to 1,247,944,260.96, 1,722,142,039.50 and 691,015,350.60 is: 953,589,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,944,260.96 : 1,722,142,039.50 = 691,015,350.60 : x
  2. Step 2: Convert to fraction form
    1,247,944,260.96/1,722,142,039.50 = 691,015,350.60/x
  3. Step 3: Cross multiply
    1,247,944,260.96x = 1,722,142,039.50 × 691,015,350.60
  4. Step 4: Simplify right side
    1,247,944,260.96x = 1,190,026,585,208,091,648
  5. Step 5: Solve for x
    x = 1,190,026,585,208,091,648/1,247,944,260.96
  6. Step 6: Final answer
    x = 953,589,533.15

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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.