Home / 753,245,775.65-1,129,872,272.03-228,619,434.85

Finding the Fourth Proportional to 753,245,775.65, 1,129,872,272.03 and 228,619,434.85

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Solution

The fourth proportional to 753,245,775.65, 1,129,872,272.03 and 228,619,434.85 is: 342,930,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,245,775.65 : 1,129,872,272.03 = 228,619,434.85 : x
  2. Step 2: Convert to fraction form
    753,245,775.65/1,129,872,272.03 = 228,619,434.85/x
  3. Step 3: Cross multiply
    753,245,775.65x = 1,129,872,272.03 × 228,619,434.85
  4. Step 4: Simplify right side
    753,245,775.65x = 258,310,760,284,184,064
  5. Step 5: Solve for x
    x = 258,310,760,284,184,064/753,245,775.65
  6. Step 6: Final answer
    x = 342,930,247.52

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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.