Home / 353,068,188.36-487,191,772.26-196,395,707.40

Finding the Fourth Proportional to 353,068,188.36, 487,191,772.26 and 196,395,707.40

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Solution

The fourth proportional to 353,068,188.36, 487,191,772.26 and 196,395,707.40 is: 271,002,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,068,188.36 : 487,191,772.26 = 196,395,707.40 : x
  2. Step 2: Convert to fraction form
    353,068,188.36/487,191,772.26 = 196,395,707.40/x
  3. Step 3: Cross multiply
    353,068,188.36x = 487,191,772.26 × 196,395,707.40
  4. Step 4: Simplify right side
    353,068,188.36x = 95,682,372,752,462,400
  5. Step 5: Solve for x
    x = 95,682,372,752,462,400/353,068,188.36
  6. Step 6: Final answer
    x = 271,002,531.26

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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.