Home / 478,800,208,294.36-660,743,856,203.46-270,271,033,274.44

Finding the Fourth Proportional to 478,800,208,294.36, 660,743,856,203.46 and 270,271,033,274.44

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Solution

The fourth proportional to 478,800,208,294.36, 660,743,856,203.46 and 270,271,033,274.44 is: 372,973,782,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,800,208,294.36 : 660,743,856,203.46 = 270,271,033,274.44 : x
  2. Step 2: Convert to fraction form
    478,800,208,294.36/660,743,856,203.46 = 270,271,033,274.44/x
  3. Step 3: Cross multiply
    478,800,208,294.36x = 660,743,856,203.46 × 270,271,033,274.44
  4. Step 4: Simplify right side
    478,800,208,294.36x = 178,579,924,745,847,127,932,928
  5. Step 5: Solve for x
    x = 178,579,924,745,847,127,932,928/478,800,208,294.36
  6. Step 6: Final answer
    x = 372,973,782,492.72

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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.