Home / 890,821,260.72-1,334,650,952.52-372,110,175.36

Finding the Fourth Proportional to 890,821,260.72, 1,334,650,952.52 and 372,110,175.36

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Solution

The fourth proportional to 890,821,260.72, 1,334,650,952.52 and 372,110,175.36 is: 557,504,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,821,260.72 : 1,334,650,952.52 = 372,110,175.36 : x
  2. Step 2: Convert to fraction form
    890,821,260.72/1,334,650,952.52 = 372,110,175.36/x
  3. Step 3: Cross multiply
    890,821,260.72x = 1,334,650,952.52 × 372,110,175.36
  4. Step 4: Simplify right side
    890,821,260.72x = 496,637,199,986,608,256
  5. Step 5: Solve for x
    x = 496,637,199,986,608,256/890,821,260.72
  6. Step 6: Final answer
    x = 557,504,879.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.