Home / 791,559,223.78-1,091,897,890.30-493,684,318.46

Finding the Fourth Proportional to 791,559,223.78, 1,091,897,890.30 and 493,684,318.46

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Solution

The fourth proportional to 791,559,223.78, 1,091,897,890.30 and 493,684,318.46 is: 681,001,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,559,223.78 : 1,091,897,890.30 = 493,684,318.46 : x
  2. Step 2: Convert to fraction form
    791,559,223.78/1,091,897,890.30 = 493,684,318.46/x
  3. Step 3: Cross multiply
    791,559,223.78x = 1,091,897,890.30 × 493,684,318.46
  4. Step 4: Simplify right side
    791,559,223.78x = 539,052,865,800,667,328
  5. Step 5: Solve for x
    x = 539,052,865,800,667,328/791,559,223.78
  6. Step 6: Final answer
    x = 681,001,306.80

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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.