Home / 923,691,819.50-1,274,684,556.03-500,294,948.12

Finding the Fourth Proportional to 923,691,819.50, 1,274,684,556.03 and 500,294,948.12

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Solution

The fourth proportional to 923,691,819.50, 1,274,684,556.03 and 500,294,948.12 is: 690,401,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,691,819.50 : 1,274,684,556.03 = 500,294,948.12 : x
  2. Step 2: Convert to fraction form
    923,691,819.50/1,274,684,556.03 = 500,294,948.12/x
  3. Step 3: Cross multiply
    923,691,819.50x = 1,274,684,556.03 × 500,294,948.12
  4. Step 4: Simplify right side
    923,691,819.50x = 637,718,243,828,394,112
  5. Step 5: Solve for x
    x = 637,718,243,828,394,112/923,691,819.50
  6. Step 6: Final answer
    x = 690,401,528.26

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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.