Home / 262,256,207.60-393,384,311.40-126,207,311.60

Finding the Fourth Proportional to 262,256,207.60, 393,384,311.40 and 126,207,311.60

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Solution

The fourth proportional to 262,256,207.60, 393,384,311.40 and 126,207,311.60 is: 189,310,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,256,207.60 : 393,384,311.40 = 126,207,311.60 : x
  2. Step 2: Convert to fraction form
    262,256,207.60/393,384,311.40 = 126,207,311.60/x
  3. Step 3: Cross multiply
    262,256,207.60x = 393,384,311.40 × 126,207,311.60
  4. Step 4: Simplify right side
    262,256,207.60x = 49,647,976,367,411,224
  5. Step 5: Solve for x
    x = 49,647,976,367,411,224/262,256,207.60
  6. Step 6: Final answer
    x = 189,310,967.40

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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.