Home / 1,912,292,950.60-2,638,928,435.70-1,169,682,462.28

Finding the Fourth Proportional to 1,912,292,950.60, 2,638,928,435.70 and 1,169,682,462.28

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Solution

The fourth proportional to 1,912,292,950.60, 2,638,928,435.70 and 1,169,682,462.28 is: 1,614,139,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,292,950.60 : 2,638,928,435.70 = 1,169,682,462.28 : x
  2. Step 2: Convert to fraction form
    1,912,292,950.60/2,638,928,435.70 = 1,169,682,462.28/x
  3. Step 3: Cross multiply
    1,912,292,950.60x = 2,638,928,435.70 × 1,169,682,462.28
  4. Step 4: Simplify right side
    1,912,292,950.60x = 3,086,708,310,450,284,544
  5. Step 5: Solve for x
    x = 3,086,708,310,450,284,544/1,912,292,950.60
  6. Step 6: Final answer
    x = 1,614,139,878.25

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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.