Home / 801,057,985.45-1,201,722,643.20-276,284,601.70

Finding the Fourth Proportional to 801,057,985.45, 1,201,722,643.20 and 276,284,601.70

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Solution

The fourth proportional to 801,057,985.45, 1,201,722,643.20 and 276,284,601.70 is: 414,473,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,057,985.45 : 1,201,722,643.20 = 276,284,601.70 : x
  2. Step 2: Convert to fraction form
    801,057,985.45/1,201,722,643.20 = 276,284,601.70/x
  3. Step 3: Cross multiply
    801,057,985.45x = 1,201,722,643.20 × 276,284,601.70
  4. Step 4: Simplify right side
    801,057,985.45x = 332,017,461,830,383,232
  5. Step 5: Solve for x
    x = 332,017,461,830,383,232/801,057,985.45
  6. Step 6: Final answer
    x = 414,473,693.37

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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.