Home / 415,435,514.80-622,649,387.40-185,160,161.20

Finding the Fourth Proportional to 415,435,514.80, 622,649,387.40 and 185,160,161.20

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Solution

The fourth proportional to 415,435,514.80, 622,649,387.40 and 185,160,161.20 is: 277,515,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,435,514.80 : 622,649,387.40 = 185,160,161.20 : x
  2. Step 2: Convert to fraction form
    415,435,514.80/622,649,387.40 = 185,160,161.20/x
  3. Step 3: Cross multiply
    415,435,514.80x = 622,649,387.40 × 185,160,161.20
  4. Step 4: Simplify right side
    415,435,514.80x = 115,289,860,942,065,232
  5. Step 5: Solve for x
    x = 115,289,860,942,065,232/415,435,514.80
  6. Step 6: Final answer
    x = 277,515,659.67

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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.