Home / 746,472,311.62-1,120,208,343.27-309,773,415.63

Finding the Fourth Proportional to 746,472,311.62, 1,120,208,343.27 and 309,773,415.63

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Solution

The fourth proportional to 746,472,311.62, 1,120,208,343.27 and 309,773,415.63 is: 464,867,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,472,311.62 : 1,120,208,343.27 = 309,773,415.63 : x
  2. Step 2: Convert to fraction form
    746,472,311.62/1,120,208,343.27 = 309,773,415.63/x
  3. Step 3: Cross multiply
    746,472,311.62x = 1,120,208,343.27 × 309,773,415.63
  4. Step 4: Simplify right side
    746,472,311.62x = 347,010,764,711,971,392
  5. Step 5: Solve for x
    x = 347,010,764,711,971,392/746,472,311.62
  6. Step 6: Final answer
    x = 464,867,563.49

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Double scale
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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.