Home / 923,704,974.85-1,274,702,706.53-500,308,102.57

Finding the Fourth Proportional to 923,704,974.85, 1,274,702,706.53 and 500,308,102.57

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Solution

The fourth proportional to 923,704,974.85, 1,274,702,706.53 and 500,308,102.57 is: 690,419,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,704,974.85 : 1,274,702,706.53 = 500,308,102.57 : x
  2. Step 2: Convert to fraction form
    923,704,974.85/1,274,702,706.53 = 500,308,102.57/x
  3. Step 3: Cross multiply
    923,704,974.85x = 1,274,702,706.53 × 500,308,102.57
  4. Step 4: Simplify right side
    923,704,974.85x = 637,744,092,441,030,784
  5. Step 5: Solve for x
    x = 637,744,092,441,030,784/923,704,974.85
  6. Step 6: Final answer
    x = 690,419,679.23

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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.