Home / 360,010,739,380.62-496,769,157,413.55-197,387,591,334.06

Finding the Fourth Proportional to 360,010,739,380.62, 496,769,157,413.55 and 197,387,591,334.06

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Solution

The fourth proportional to 360,010,739,380.62, 496,769,157,413.55 and 197,387,591,334.06 is: 272,369,839,854.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,010,739,380.62 : 496,769,157,413.55 = 197,387,591,334.06 : x
  2. Step 2: Convert to fraction form
    360,010,739,380.62/496,769,157,413.55 = 197,387,591,334.06/x
  3. Step 3: Cross multiply
    360,010,739,380.62x = 496,769,157,413.55 × 197,387,591,334.06
  4. Step 4: Simplify right side
    360,010,739,380.62x = 98,056,067,430,911,131,516,928
  5. Step 5: Solve for x
    x = 98,056,067,430,911,131,516,928/360,010,739,380.62
  6. Step 6: Final answer
    x = 272,369,839,854.25

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Double scale
Find fourth proportional to 360,010,739,381.62, 496,769,157,414.93 and 197,387,591,335.06
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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.