Home / 749,309,728.44-1,123,958,287.56-585,685,114.68

Finding the Fourth Proportional to 749,309,728.44, 1,123,958,287.56 and 585,685,114.68

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Solution

The fourth proportional to 749,309,728.44, 1,123,958,287.56 and 585,685,114.68 is: 878,522,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,309,728.44 : 1,123,958,287.56 = 585,685,114.68 : x
  2. Step 2: Convert to fraction form
    749,309,728.44/1,123,958,287.56 = 585,685,114.68/x
  3. Step 3: Cross multiply
    749,309,728.44x = 1,123,958,287.56 × 585,685,114.68
  4. Step 4: Simplify right side
    749,309,728.44x = 658,285,638,545,114,880
  5. Step 5: Solve for x
    x = 658,285,638,545,114,880/749,309,728.44
  6. Step 6: Final answer
    x = 878,522,743.75

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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.