Home / 809,589,669.55-1,214,384,679.24-292,020,066.97

Finding the Fourth Proportional to 809,589,669.55, 1,214,384,679.24 and 292,020,066.97

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Solution

The fourth proportional to 809,589,669.55, 1,214,384,679.24 and 292,020,066.97 is: 438,030,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,589,669.55 : 1,214,384,679.24 = 292,020,066.97 : x
  2. Step 2: Convert to fraction form
    809,589,669.55/1,214,384,679.24 = 292,020,066.97/x
  3. Step 3: Cross multiply
    809,589,669.55x = 1,214,384,679.24 × 292,020,066.97
  4. Step 4: Simplify right side
    809,589,669.55x = 354,624,695,359,006,784
  5. Step 5: Solve for x
    x = 354,624,695,359,006,784/809,589,669.55
  6. Step 6: Final answer
    x = 438,030,163.55

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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.