Home / 923,473,521.97-1,274,394,689.60-500,087,913.82

Finding the Fourth Proportional to 923,473,521.97, 1,274,394,689.60 and 500,087,913.82

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Solution

The fourth proportional to 923,473,521.97, 1,274,394,689.60 and 500,087,913.82 is: 690,121,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,473,521.97 : 1,274,394,689.60 = 500,087,913.82 : x
  2. Step 2: Convert to fraction form
    923,473,521.97/1,274,394,689.60 = 500,087,913.82/x
  3. Step 3: Cross multiply
    923,473,521.97x = 1,274,394,689.60 × 500,087,913.82
  4. Step 4: Simplify right side
    923,473,521.97x = 637,309,381,699,664,000
  5. Step 5: Solve for x
    x = 637,309,381,699,664,000/923,473,521.97
  6. Step 6: Final answer
    x = 690,121,986.76

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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.