Home / 912,028,047.35-1,258,600,559.92-494,340,615.59

Finding the Fourth Proportional to 912,028,047.35, 1,258,600,559.92 and 494,340,615.59

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Solution

The fourth proportional to 912,028,047.35, 1,258,600,559.92 and 494,340,615.59 is: 682,191,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,028,047.35 : 1,258,600,559.92 = 494,340,615.59 : x
  2. Step 2: Convert to fraction form
    912,028,047.35/1,258,600,559.92 = 494,340,615.59/x
  3. Step 3: Cross multiply
    912,028,047.35x = 1,258,600,559.92 × 494,340,615.59
  4. Step 4: Simplify right side
    912,028,047.35x = 622,177,375,565,242,624
  5. Step 5: Solve for x
    x = 622,177,375,565,242,624/912,028,047.35
  6. Step 6: Final answer
    x = 682,191,054.73

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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.