Home / 353,260,971.26-487,500,162.62-196,624,715.52

Finding the Fourth Proportional to 353,260,971.26, 487,500,162.62 and 196,624,715.52

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Solution

The fourth proportional to 353,260,971.26, 487,500,162.62 and 196,624,715.52 is: 271,342,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,260,971.26 : 487,500,162.62 = 196,624,715.52 : x
  2. Step 2: Convert to fraction form
    353,260,971.26/487,500,162.62 = 196,624,715.52/x
  3. Step 3: Cross multiply
    353,260,971.26x = 487,500,162.62 × 196,624,715.52
  4. Step 4: Simplify right side
    353,260,971.26x = 95,854,580,790,128,128
  5. Step 5: Solve for x
    x = 95,854,580,790,128,128/353,260,971.26
  6. Step 6: Final answer
    x = 271,342,119.82

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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.