Home / 789,794,921.80-1,184,692,382.70-381,648,233.80

Finding the Fourth Proportional to 789,794,921.80, 1,184,692,382.70 and 381,648,233.80

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Solution

The fourth proportional to 789,794,921.80, 1,184,692,382.70 and 381,648,233.80 is: 572,472,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,794,921.80 : 1,184,692,382.70 = 381,648,233.80 : x
  2. Step 2: Convert to fraction form
    789,794,921.80/1,184,692,382.70 = 381,648,233.80/x
  3. Step 3: Cross multiply
    789,794,921.80x = 1,184,692,382.70 × 381,648,233.80
  4. Step 4: Simplify right side
    789,794,921.80x = 452,135,755,453,768,704
  5. Step 5: Solve for x
    x = 452,135,755,453,768,704/789,794,921.80
  6. Step 6: Final answer
    x = 572,472,350.70

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1.5x scale

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.