Home / 702,236,918,701.20-969,086,194,891.80-381,452,993,504.40

Finding the Fourth Proportional to 702,236,918,701.20, 969,086,194,891.80 and 381,452,993,504.40

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Solution

The fourth proportional to 702,236,918,701.20, 969,086,194,891.80 and 381,452,993,504.40 is: 526,404,722,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,236,918,701.20 : 969,086,194,891.80 = 381,452,993,504.40 : x
  2. Step 2: Convert to fraction form
    702,236,918,701.20/969,086,194,891.80 = 381,452,993,504.40/x
  3. Step 3: Cross multiply
    702,236,918,701.20x = 969,086,194,891.80 × 381,452,993,504.40
  4. Step 4: Simplify right side
    702,236,918,701.20x = 369,660,830,005,265,529,044,992
  5. Step 5: Solve for x
    x = 369,660,830,005,265,529,044,992/702,236,918,701.20
  6. Step 6: Final answer
    x = 526,404,722,054.43

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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.