Home / 442,871,727,015.70-664,243,093,269.15-128,770,098,087.70

Finding the Fourth Proportional to 442,871,727,015.70, 664,243,093,269.15 and 128,770,098,087.70

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Solution

The fourth proportional to 442,871,727,015.70, 664,243,093,269.15 and 128,770,098,087.70 is: 193,136,393,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,871,727,015.70 : 664,243,093,269.15 = 128,770,098,087.70 : x
  2. Step 2: Convert to fraction form
    442,871,727,015.70/664,243,093,269.15 = 128,770,098,087.70/x
  3. Step 3: Cross multiply
    442,871,727,015.70x = 664,243,093,269.15 × 128,770,098,087.70
  4. Step 4: Simplify right side
    442,871,727,015.70x = 85,534,648,274,345,713,991,680
  5. Step 5: Solve for x
    x = 85,534,648,274,345,713,991,680/442,871,727,015.70
  6. Step 6: Final answer
    x = 193,136,393,805.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.