Home / 1,918,786,043.40-2,647,933,190.46-1,038,719,747.40

Finding the Fourth Proportional to 1,918,786,043.40, 2,647,933,190.46 and 1,038,719,747.40

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Solution

The fourth proportional to 1,918,786,043.40, 2,647,933,190.46 and 1,038,719,747.40 is: 1,433,437,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,786,043.40 : 2,647,933,190.46 = 1,038,719,747.40 : x
  2. Step 2: Convert to fraction form
    1,918,786,043.40/2,647,933,190.46 = 1,038,719,747.40/x
  3. Step 3: Cross multiply
    1,918,786,043.40x = 2,647,933,190.46 × 1,038,719,747.40
  4. Step 4: Simplify right side
    1,918,786,043.40x = 2,750,460,494,726,687,232
  5. Step 5: Solve for x
    x = 2,750,460,494,726,687,232/1,918,786,043.40
  6. Step 6: Final answer
    x = 1,433,437,826.06

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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.