Home / 336,355,138.80-504,532,708.20-220,128,992.10

Finding the Fourth Proportional to 336,355,138.80, 504,532,708.20 and 220,128,992.10

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Solution

The fourth proportional to 336,355,138.80, 504,532,708.20 and 220,128,992.10 is: 330,193,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,355,138.80 : 504,532,708.20 = 220,128,992.10 : x
  2. Step 2: Convert to fraction form
    336,355,138.80/504,532,708.20 = 220,128,992.10/x
  3. Step 3: Cross multiply
    336,355,138.80x = 504,532,708.20 × 220,128,992.10
  4. Step 4: Simplify right side
    336,355,138.80x = 111,062,276,537,549,392
  5. Step 5: Solve for x
    x = 111,062,276,537,549,392/336,355,138.80
  6. Step 6: Final answer
    x = 330,193,488.15

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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.