Home / 613,414,685.88-919,954,437.48-219,868,160.04

Finding the Fourth Proportional to 613,414,685.88, 919,954,437.48 and 219,868,160.04

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Solution

The fourth proportional to 613,414,685.88, 919,954,437.48 and 219,868,160.04 is: 329,742,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,414,685.88 : 919,954,437.48 = 219,868,160.04 : x
  2. Step 2: Convert to fraction form
    613,414,685.88/919,954,437.48 = 219,868,160.04/x
  3. Step 3: Cross multiply
    613,414,685.88x = 919,954,437.48 × 219,868,160.04
  4. Step 4: Simplify right side
    613,414,685.88x = 202,268,689,489,360,800
  5. Step 5: Solve for x
    x = 202,268,689,489,360,800/613,414,685.88
  6. Step 6: Final answer
    x = 329,742,169.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.