Home / 923,691,817.50-1,274,684,553.27-500,294,946.12

Finding the Fourth Proportional to 923,691,817.50, 1,274,684,553.27 and 500,294,946.12

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Solution

The fourth proportional to 923,691,817.50, 1,274,684,553.27 and 500,294,946.12 is: 690,401,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,691,817.50 : 1,274,684,553.27 = 500,294,946.12 : x
  2. Step 2: Convert to fraction form
    923,691,817.50/1,274,684,553.27 = 500,294,946.12/x
  3. Step 3: Cross multiply
    923,691,817.50x = 1,274,684,553.27 × 500,294,946.12
  4. Step 4: Simplify right side
    923,691,817.50x = 637,718,239,898,210,944
  5. Step 5: Solve for x
    x = 637,718,239,898,210,944/923,691,817.50
  6. Step 6: Final answer
    x = 690,401,525.50

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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.