Home / 2,618,315,043.77-3,613,273,805.97-1,428,884,015.28

Finding the Fourth Proportional to 2,618,315,043.77, 3,613,273,805.97 and 1,428,884,015.28

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Solution

The fourth proportional to 2,618,315,043.77, 3,613,273,805.97 and 1,428,884,015.28 is: 1,971,859,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,315,043.77 : 3,613,273,805.97 = 1,428,884,015.28 : x
  2. Step 2: Convert to fraction form
    2,618,315,043.77/3,613,273,805.97 = 1,428,884,015.28/x
  3. Step 3: Cross multiply
    2,618,315,043.77x = 3,613,273,805.97 × 1,428,884,015.28
  4. Step 4: Simplify right side
    2,618,315,043.77x = 5,162,949,184,180,460,544
  5. Step 5: Solve for x
    x = 5,162,949,184,180,460,544/2,618,315,043.77
  6. Step 6: Final answer
    x = 1,971,859,420.23

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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.