Home / 809,589,665.54-1,214,384,673.24-292,020,062.96

Finding the Fourth Proportional to 809,589,665.54, 1,214,384,673.24 and 292,020,062.96

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Solution

The fourth proportional to 809,589,665.54, 1,214,384,673.24 and 292,020,062.96 is: 438,030,157.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,589,665.54 : 1,214,384,673.24 = 292,020,062.96 : x
  2. Step 2: Convert to fraction form
    809,589,665.54/1,214,384,673.24 = 292,020,062.96/x
  3. Step 3: Cross multiply
    809,589,665.54x = 1,214,384,673.24 × 292,020,062.96
  4. Step 4: Simplify right side
    809,589,665.54x = 354,624,688,740,239,744
  5. Step 5: Solve for x
    x = 354,624,688,740,239,744/809,589,665.54
  6. Step 6: Final answer
    x = 438,030,157.54

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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.