Home / 3,681,986,771.53-5,081,141,550.38-1,988,441,253.40

Finding the Fourth Proportional to 3,681,986,771.53, 5,081,141,550.38 and 1,988,441,253.40

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Solution

The fourth proportional to 3,681,986,771.53, 5,081,141,550.38 and 1,988,441,253.40 is: 2,744,048,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,986,771.53 : 5,081,141,550.38 = 1,988,441,253.40 : x
  2. Step 2: Convert to fraction form
    3,681,986,771.53/5,081,141,550.38 = 1,988,441,253.40/x
  3. Step 3: Cross multiply
    3,681,986,771.53x = 5,081,141,550.38 × 1,988,441,253.40
  4. Step 4: Simplify right side
    3,681,986,771.53x = 10,103,551,473,140,426,752
  5. Step 5: Solve for x
    x = 10,103,551,473,140,426,752/3,681,986,771.53
  6. Step 6: Final answer
    x = 2,744,048,824.74

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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.