Home / 716,200,358.40-1,074,300,478.80-198,630,793.44

Finding the Fourth Proportional to 716,200,358.40, 1,074,300,478.80 and 198,630,793.44

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Solution

The fourth proportional to 716,200,358.40, 1,074,300,478.80 and 198,630,793.44 is: 297,946,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,200,358.40 : 1,074,300,478.80 = 198,630,793.44 : x
  2. Step 2: Convert to fraction form
    716,200,358.40/1,074,300,478.80 = 198,630,793.44/x
  3. Step 3: Cross multiply
    716,200,358.40x = 1,074,300,478.80 × 198,630,793.44
  4. Step 4: Simplify right side
    716,200,358.40x = 213,389,156,497,015,872
  5. Step 5: Solve for x
    x = 213,389,156,497,015,872/716,200,358.40
  6. Step 6: Final answer
    x = 297,946,173.85

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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.