Home / 1,462,372,979.39-2,193,482,213.21-479,670,073.55

Finding the Fourth Proportional to 1,462,372,979.39, 2,193,482,213.21 and 479,670,073.55

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Solution

The fourth proportional to 1,462,372,979.39, 2,193,482,213.21 and 479,670,073.55 is: 719,479,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,372,979.39 : 2,193,482,213.21 = 479,670,073.55 : x
  2. Step 2: Convert to fraction form
    1,462,372,979.39/2,193,482,213.21 = 479,670,073.55/x
  3. Step 3: Cross multiply
    1,462,372,979.39x = 2,193,482,213.21 × 479,670,073.55
  4. Step 4: Simplify right side
    1,462,372,979.39x = 1,052,147,774,531,289,344
  5. Step 5: Solve for x
    x = 1,052,147,774,531,289,344/1,462,372,979.39
  6. Step 6: Final answer
    x = 719,479,769.77

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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.