Home / 912,028,058.88-1,258,600,575.80-494,340,627.12

Finding the Fourth Proportional to 912,028,058.88, 1,258,600,575.80 and 494,340,627.12

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Solution

The fourth proportional to 912,028,058.88, 1,258,600,575.80 and 494,340,627.12 is: 682,191,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,028,058.88 : 1,258,600,575.80 = 494,340,627.12 : x
  2. Step 2: Convert to fraction form
    912,028,058.88/1,258,600,575.80 = 494,340,627.12/x
  3. Step 3: Cross multiply
    912,028,058.88x = 1,258,600,575.80 × 494,340,627.12
  4. Step 4: Simplify right side
    912,028,058.88x = 622,177,397,934,565,120
  5. Step 5: Solve for x
    x = 622,177,397,934,565,120/912,028,058.88
  6. Step 6: Final answer
    x = 682,191,070.63

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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.