Home / 756,655,538.94-1,135,017,134.01-231,986,890.62

Finding the Fourth Proportional to 756,655,538.94, 1,135,017,134.01 and 231,986,890.62

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Solution

The fourth proportional to 756,655,538.94, 1,135,017,134.01 and 231,986,890.62 is: 347,990,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,655,538.94 : 1,135,017,134.01 = 231,986,890.62 : x
  2. Step 2: Convert to fraction form
    756,655,538.94/1,135,017,134.01 = 231,986,890.62/x
  3. Step 3: Cross multiply
    756,655,538.94x = 1,135,017,134.01 × 231,986,890.62
  4. Step 4: Simplify right side
    756,655,538.94x = 263,309,095,719,403,744
  5. Step 5: Solve for x
    x = 263,309,095,719,403,744/756,655,538.94
  6. Step 6: Final answer
    x = 347,990,706.69

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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.