Home / 3,681,986,775.54-5,081,141,555.88-1,988,441,257.40

Finding the Fourth Proportional to 3,681,986,775.54, 5,081,141,555.88 and 1,988,441,257.40

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Solution

The fourth proportional to 3,681,986,775.54, 5,081,141,555.88 and 1,988,441,257.40 is: 2,744,048,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,986,775.54 : 5,081,141,555.88 = 1,988,441,257.40 : x
  2. Step 2: Convert to fraction form
    3,681,986,775.54/5,081,141,555.88 = 1,988,441,257.40/x
  3. Step 3: Cross multiply
    3,681,986,775.54x = 5,081,141,555.88 × 1,988,441,257.40
  4. Step 4: Simplify right side
    3,681,986,775.54x = 10,103,551,504,401,420,288
  5. Step 5: Solve for x
    x = 10,103,551,504,401,420,288/3,681,986,775.54
  6. Step 6: Final answer
    x = 2,744,048,830.25

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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.