Home / 1,918,786,041.40-2,647,933,187.70-1,038,719,745.40

Finding the Fourth Proportional to 1,918,786,041.40, 2,647,933,187.70 and 1,038,719,745.40

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Solution

The fourth proportional to 1,918,786,041.40, 2,647,933,187.70 and 1,038,719,745.40 is: 1,433,437,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,786,041.40 : 2,647,933,187.70 = 1,038,719,745.40 : x
  2. Step 2: Convert to fraction form
    1,918,786,041.40/2,647,933,187.70 = 1,038,719,745.40/x
  3. Step 3: Cross multiply
    1,918,786,041.40x = 2,647,933,187.70 × 1,038,719,745.40
  4. Step 4: Simplify right side
    1,918,786,041.40x = 2,750,460,486,563,954,176
  5. Step 5: Solve for x
    x = 2,750,460,486,563,954,176/1,918,786,041.40
  6. Step 6: Final answer
    x = 1,433,437,823.30

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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.