Home / 884,890,234,019.80-1,221,135,633,122.40-494,262,356,258.24

Finding the Fourth Proportional to 884,890,234,019.80, 1,221,135,633,122.40 and 494,262,356,258.24

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Solution

The fourth proportional to 884,890,234,019.80, 1,221,135,633,122.40 and 494,262,356,258.24 is: 682,074,851,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,890,234,019.80 : 1,221,135,633,122.40 = 494,262,356,258.24 : x
  2. Step 2: Convert to fraction form
    884,890,234,019.80/1,221,135,633,122.40 = 494,262,356,258.24/x
  3. Step 3: Cross multiply
    884,890,234,019.80x = 1,221,135,633,122.40 × 494,262,356,258.24
  4. Step 4: Simplify right side
    884,890,234,019.80x = 603,561,375,337,975,073,734,656
  5. Step 5: Solve for x
    x = 603,561,375,337,975,073,734,656/884,890,234,019.80
  6. Step 6: Final answer
    x = 682,074,851,923.92

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Double scale
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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.