Home / 488,101,021.92-731,856,500.04-196,627,721.43

Finding the Fourth Proportional to 488,101,021.92, 731,856,500.04 and 196,627,721.43

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Solution

The fourth proportional to 488,101,021.92, 731,856,500.04 and 196,627,721.43 is: 294,822,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,101,021.92 : 731,856,500.04 = 196,627,721.43 : x
  2. Step 2: Convert to fraction form
    488,101,021.92/731,856,500.04 = 196,627,721.43/x
  3. Step 3: Cross multiply
    488,101,021.92x = 731,856,500.04 × 196,627,721.43
  4. Step 4: Simplify right side
    488,101,021.92x = 143,903,276,016,599,904
  5. Step 5: Solve for x
    x = 143,903,276,016,599,904/488,101,021.92
  6. Step 6: Final answer
    x = 294,822,730.45

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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.