Home / 923,696,621.64-1,274,691,192-500,299,756.68

Finding the Fourth Proportional to 923,696,621.64, 1,274,691,192 and 500,299,756.68

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Solution

The fourth proportional to 923,696,621.64, 1,274,691,192 and 500,299,756.68 is: 690,408,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,696,621.64 : 1,274,691,192 = 500,299,756.68 : x
  2. Step 2: Convert to fraction form
    923,696,621.64/1,274,691,192 = 500,299,756.68/x
  3. Step 3: Cross multiply
    923,696,621.64x = 1,274,691,192 × 500,299,756.68
  4. Step 4: Simplify right side
    923,696,621.64x = 637,727,693,199,739,136
  5. Step 5: Solve for x
    x = 637,727,693,199,739,136/923,696,621.64
  6. Step 6: Final answer
    x = 690,408,168.94

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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.