Home / 1,155,446,912.46-1,594,516,739.36-660,420,249.78

Finding the Fourth Proportional to 1,155,446,912.46, 1,594,516,739.36 and 660,420,249.78

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Solution

The fourth proportional to 1,155,446,912.46, 1,594,516,739.36 and 660,420,249.78 is: 911,379,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,446,912.46 : 1,594,516,739.36 = 660,420,249.78 : x
  2. Step 2: Convert to fraction form
    1,155,446,912.46/1,594,516,739.36 = 660,420,249.78/x
  3. Step 3: Cross multiply
    1,155,446,912.46x = 1,594,516,739.36 × 660,420,249.78
  4. Step 4: Simplify right side
    1,155,446,912.46x = 1,053,051,143,286,522,240
  5. Step 5: Solve for x
    x = 1,053,051,143,286,522,240/1,155,446,912.46
  6. Step 6: Final answer
    x = 911,379,944.79

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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.