Home / 466,150,861.20-699,226,291.80-312,870,349.20

Finding the Fourth Proportional to 466,150,861.20, 699,226,291.80 and 312,870,349.20

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Solution

The fourth proportional to 466,150,861.20, 699,226,291.80 and 312,870,349.20 is: 469,305,523.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,150,861.20 : 699,226,291.80 = 312,870,349.20 : x
  2. Step 2: Convert to fraction form
    466,150,861.20/699,226,291.80 = 312,870,349.20/x
  3. Step 3: Cross multiply
    466,150,861.20x = 699,226,291.80 × 312,870,349.20
  4. Step 4: Simplify right side
    466,150,861.20x = 218,767,174,085,287,072
  5. Step 5: Solve for x
    x = 218,767,174,085,287,072/466,150,861.20
  6. Step 6: Final answer
    x = 469,305,523.80

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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.