Home / 1,863,857,485.31-2,572,177,906.46-1,017,139,367.21

Finding the Fourth Proportional to 1,863,857,485.31, 2,572,177,906.46 and 1,017,139,367.21

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Solution

The fourth proportional to 1,863,857,485.31, 2,572,177,906.46 and 1,017,139,367.21 is: 1,403,682,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,857,485.31 : 2,572,177,906.46 = 1,017,139,367.21 : x
  2. Step 2: Convert to fraction form
    1,863,857,485.31/2,572,177,906.46 = 1,017,139,367.21/x
  3. Step 3: Cross multiply
    1,863,857,485.31x = 2,572,177,906.46 × 1,017,139,367.21
  4. Step 4: Simplify right side
    1,863,857,485.31x = 2,616,263,408,117,948,928
  5. Step 5: Solve for x
    x = 2,616,263,408,117,948,928/1,863,857,485.31
  6. Step 6: Final answer
    x = 1,403,682,110.22

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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.