Home / 694,942,362.72-1,042,541,695.44-228,630,031.20

Finding the Fourth Proportional to 694,942,362.72, 1,042,541,695.44 and 228,630,031.20

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Solution

The fourth proportional to 694,942,362.72, 1,042,541,695.44 and 228,630,031.20 is: 342,987,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,942,362.72 : 1,042,541,695.44 = 228,630,031.20 : x
  2. Step 2: Convert to fraction form
    694,942,362.72/1,042,541,695.44 = 228,630,031.20/x
  3. Step 3: Cross multiply
    694,942,362.72x = 1,042,541,695.44 × 228,630,031.20
  4. Step 4: Simplify right side
    694,942,362.72x = 238,356,340,355,748,096
  5. Step 5: Solve for x
    x = 238,356,340,355,748,096/694,942,362.72
  6. Step 6: Final answer
    x = 342,987,207.49

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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.