Home / 923,473,521.72-1,274,394,689.26-500,087,913.56

Finding the Fourth Proportional to 923,473,521.72, 1,274,394,689.26 and 500,087,913.56

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Solution

The fourth proportional to 923,473,521.72, 1,274,394,689.26 and 500,087,913.56 is: 690,121,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,473,521.72 : 1,274,394,689.26 = 500,087,913.56 : x
  2. Step 2: Convert to fraction form
    923,473,521.72/1,274,394,689.26 = 500,087,913.56/x
  3. Step 3: Cross multiply
    923,473,521.72x = 1,274,394,689.26 × 500,087,913.56
  4. Step 4: Simplify right side
    923,473,521.72x = 637,309,381,203,977,984
  5. Step 5: Solve for x
    x = 637,309,381,203,977,984/923,473,521.72
  6. Step 6: Final answer
    x = 690,121,986.41

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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.