Home / 912,028,040.53-1,258,600,550.53-494,340,608.77

Finding the Fourth Proportional to 912,028,040.53, 1,258,600,550.53 and 494,340,608.77

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Solution

The fourth proportional to 912,028,040.53, 1,258,600,550.53 and 494,340,608.77 is: 682,191,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,028,040.53 : 1,258,600,550.53 = 494,340,608.77 : x
  2. Step 2: Convert to fraction form
    912,028,040.53/1,258,600,550.53 = 494,340,608.77/x
  3. Step 3: Cross multiply
    912,028,040.53x = 1,258,600,550.53 × 494,340,608.77
  4. Step 4: Simplify right side
    912,028,040.53x = 622,177,362,340,631,168
  5. Step 5: Solve for x
    x = 622,177,362,340,631,168/912,028,040.53
  6. Step 6: Final answer
    x = 682,191,045.33

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Half scale
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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.