Home / 355,051,855.20-532,241,859.60-209,597,109.60

Finding the Fourth Proportional to 355,051,855.20, 532,241,859.60 and 209,597,109.60

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Solution

The fourth proportional to 355,051,855.20, 532,241,859.60 and 209,597,109.60 is: 314,197,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,051,855.20 : 532,241,859.60 = 209,597,109.60 : x
  2. Step 2: Convert to fraction form
    355,051,855.20/532,241,859.60 = 209,597,109.60/x
  3. Step 3: Cross multiply
    355,051,855.20x = 532,241,859.60 × 209,597,109.60
  4. Step 4: Simplify right side
    355,051,855.20x = 111,556,355,380,289,008
  5. Step 5: Solve for x
    x = 111,556,355,380,289,008/355,051,855.20
  6. Step 6: Final answer
    x = 314,197,359.47

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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.