Home / 923,691,820-1,274,684,556.72-500,294,948.62

Finding the Fourth Proportional to 923,691,820, 1,274,684,556.72 and 500,294,948.62

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Solution

The fourth proportional to 923,691,820, 1,274,684,556.72 and 500,294,948.62 is: 690,401,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,691,820 : 1,274,684,556.72 = 500,294,948.62 : x
  2. Step 2: Convert to fraction form
    923,691,820/1,274,684,556.72 = 500,294,948.62/x
  3. Step 3: Cross multiply
    923,691,820x = 1,274,684,556.72 × 500,294,948.62
  4. Step 4: Simplify right side
    923,691,820x = 637,718,244,810,939,904
  5. Step 5: Solve for x
    x = 637,718,244,810,939,904/923,691,820
  6. Step 6: Final answer
    x = 690,401,528.95

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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.