Home / 478,800,208,297.36-660,743,856,207.60-270,271,033,277.44

Finding the Fourth Proportional to 478,800,208,297.36, 660,743,856,207.60 and 270,271,033,277.44

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Solution

The fourth proportional to 478,800,208,297.36, 660,743,856,207.60 and 270,271,033,277.44 is: 372,973,782,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,800,208,297.36 : 660,743,856,207.60 = 270,271,033,277.44 : x
  2. Step 2: Convert to fraction form
    478,800,208,297.36/660,743,856,207.60 = 270,271,033,277.44/x
  3. Step 3: Cross multiply
    478,800,208,297.36x = 660,743,856,207.60 × 270,271,033,277.44
  4. Step 4: Simplify right side
    478,800,208,297.36x = 178,579,924,748,948,295,647,232
  5. Step 5: Solve for x
    x = 178,579,924,748,948,295,647,232/478,800,208,297.36
  6. Step 6: Final answer
    x = 372,973,782,496.86

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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.