Home / 1,193,662,050.99-1,647,215,000.16-685,108,471.07

Finding the Fourth Proportional to 1,193,662,050.99, 1,647,215,000.16 and 685,108,471.07

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Solution

The fourth proportional to 1,193,662,050.99, 1,647,215,000.16 and 685,108,471.07 is: 945,427,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,662,050.99 : 1,647,215,000.16 = 685,108,471.07 : x
  2. Step 2: Convert to fraction form
    1,193,662,050.99/1,647,215,000.16 = 685,108,471.07/x
  3. Step 3: Cross multiply
    1,193,662,050.99x = 1,647,215,000.16 × 685,108,471.07
  4. Step 4: Simplify right side
    1,193,662,050.99x = 1,128,520,950,278,524,928
  5. Step 5: Solve for x
    x = 1,128,520,950,278,524,928/1,193,662,050.99
  6. Step 6: Final answer
    x = 945,427,518.07

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1.5x scale

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.