Home / 383,364,770.80-574,655,245.80-188,977,212.40

Finding the Fourth Proportional to 383,364,770.80, 574,655,245.80 and 188,977,212.40

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Solution

The fourth proportional to 383,364,770.80, 574,655,245.80 and 188,977,212.40 is: 283,272,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,364,770.80 : 574,655,245.80 = 188,977,212.40 : x
  2. Step 2: Convert to fraction form
    383,364,770.80/574,655,245.80 = 188,977,212.40/x
  3. Step 3: Cross multiply
    383,364,770.80x = 574,655,245.80 × 188,977,212.40
  4. Step 4: Simplify right side
    383,364,770.80x = 108,596,746,442,320,800
  5. Step 5: Solve for x
    x = 108,596,746,442,320,800/383,364,770.80
  6. Step 6: Final answer
    x = 283,272,628.87

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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.