Home / 929,127,350.27-1,282,229,576.61-505,720,561.54

Finding the Fourth Proportional to 929,127,350.27, 1,282,229,576.61 and 505,720,561.54

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Solution

The fourth proportional to 929,127,350.27, 1,282,229,576.61 and 505,720,561.54 is: 697,912,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,127,350.27 : 1,282,229,576.61 = 505,720,561.54 : x
  2. Step 2: Convert to fraction form
    929,127,350.27/1,282,229,576.61 = 505,720,561.54/x
  3. Step 3: Cross multiply
    929,127,350.27x = 1,282,229,576.61 × 505,720,561.54
  4. Step 4: Simplify right side
    929,127,350.27x = 648,449,861,506,405,632
  5. Step 5: Solve for x
    x = 648,449,861,506,405,632/929,127,350.27
  6. Step 6: Final answer
    x = 697,912,790.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.