Home / 702,236,918,695.45-969,086,194,883.85-381,452,993,498.64

Finding the Fourth Proportional to 702,236,918,695.45, 969,086,194,883.85 and 381,452,993,498.64

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Solution

The fourth proportional to 702,236,918,695.45, 969,086,194,883.85 and 381,452,993,498.64 is: 526,404,722,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,236,918,695.45 : 969,086,194,883.85 = 381,452,993,498.64 : x
  2. Step 2: Convert to fraction form
    702,236,918,695.45/969,086,194,883.85 = 381,452,993,498.64/x
  3. Step 3: Cross multiply
    702,236,918,695.45x = 969,086,194,883.85 × 381,452,993,498.64
  4. Step 4: Simplify right side
    702,236,918,695.45x = 369,660,829,996,651,032,608,768
  5. Step 5: Solve for x
    x = 369,660,829,996,651,032,608,768/702,236,918,695.45
  6. Step 6: Final answer
    x = 526,404,722,046.48

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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.