Home / 415,435,513.80-622,649,385.90-185,160,160.20

Finding the Fourth Proportional to 415,435,513.80, 622,649,385.90 and 185,160,160.20

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Solution

The fourth proportional to 415,435,513.80, 622,649,385.90 and 185,160,160.20 is: 277,515,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,435,513.80 : 622,649,385.90 = 185,160,160.20 : x
  2. Step 2: Convert to fraction form
    415,435,513.80/622,649,385.90 = 185,160,160.20/x
  3. Step 3: Cross multiply
    415,435,513.80x = 622,649,385.90 × 185,160,160.20
  4. Step 4: Simplify right side
    415,435,513.80x = 115,289,860,041,675,616
  5. Step 5: Solve for x
    x = 115,289,860,041,675,616/415,435,513.80
  6. Step 6: Final answer
    x = 277,515,658.18

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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.