Home / 800,735,791.90-1,201,103,687.85-493,030,140.70

Finding the Fourth Proportional to 800,735,791.90, 1,201,103,687.85 and 493,030,140.70

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Solution

The fourth proportional to 800,735,791.90, 1,201,103,687.85 and 493,030,140.70 is: 739,545,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,735,791.90 : 1,201,103,687.85 = 493,030,140.70 : x
  2. Step 2: Convert to fraction form
    800,735,791.90/1,201,103,687.85 = 493,030,140.70/x
  3. Step 3: Cross multiply
    800,735,791.90x = 1,201,103,687.85 × 493,030,140.70
  4. Step 4: Simplify right side
    800,735,791.90x = 592,180,320,215,974,272
  5. Step 5: Solve for x
    x = 592,180,320,215,974,272/800,735,791.90
  6. Step 6: Final answer
    x = 739,545,211.05

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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.