Home / 923,691,821-1,274,684,558.10-500,294,949.62

Finding the Fourth Proportional to 923,691,821, 1,274,684,558.10 and 500,294,949.62

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Solution

The fourth proportional to 923,691,821, 1,274,684,558.10 and 500,294,949.62 is: 690,401,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,691,821 : 1,274,684,558.10 = 500,294,949.62 : x
  2. Step 2: Convert to fraction form
    923,691,821/1,274,684,558.10 = 500,294,949.62/x
  3. Step 3: Cross multiply
    923,691,821x = 1,274,684,558.10 × 500,294,949.62
  4. Step 4: Simplify right side
    923,691,821x = 637,718,246,776,031,360
  5. Step 5: Solve for x
    x = 637,718,246,776,031,360/923,691,821
  6. Step 6: Final answer
    x = 690,401,530.33

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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.