Home / 380,946,519.64-571,282,766.52-131,884,148.44

Finding the Fourth Proportional to 380,946,519.64, 571,282,766.52 and 131,884,148.44

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Solution

The fourth proportional to 380,946,519.64, 571,282,766.52 and 131,884,148.44 is: 197,778,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,946,519.64 : 571,282,766.52 = 131,884,148.44 : x
  2. Step 2: Convert to fraction form
    380,946,519.64/571,282,766.52 = 131,884,148.44/x
  3. Step 3: Cross multiply
    380,946,519.64x = 571,282,766.52 × 131,884,148.44
  4. Step 4: Simplify right side
    380,946,519.64x = 75,343,141,180,937,536
  5. Step 5: Solve for x
    x = 75,343,141,180,937,536/380,946,519.64
  6. Step 6: Final answer
    x = 197,778,788.61

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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.