Home / 1,021,123,906.16-1,409,801,620.21-833,399,986.43

Finding the Fourth Proportional to 1,021,123,906.16, 1,409,801,620.21 and 833,399,986.43

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Solution

The fourth proportional to 1,021,123,906.16, 1,409,801,620.21 and 833,399,986.43 is: 1,150,622,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,123,906.16 : 1,409,801,620.21 = 833,399,986.43 : x
  2. Step 2: Convert to fraction form
    1,021,123,906.16/1,409,801,620.21 = 833,399,986.43/x
  3. Step 3: Cross multiply
    1,021,123,906.16x = 1,409,801,620.21 × 833,399,986.43
  4. Step 4: Simplify right side
    1,021,123,906.16x = 1,174,928,651,156,083,456
  5. Step 5: Solve for x
    x = 1,174,928,651,156,083,456/1,021,123,906.16
  6. Step 6: Final answer
    x = 1,150,622,998.91

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Double scale
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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.