Home / 365,590,610.35-504,515,042.29-208,961,080.40

Finding the Fourth Proportional to 365,590,610.35, 504,515,042.29 and 208,961,080.40

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Solution

The fourth proportional to 365,590,610.35, 504,515,042.29 and 208,961,080.40 is: 288,366,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,590,610.35 : 504,515,042.29 = 208,961,080.40 : x
  2. Step 2: Convert to fraction form
    365,590,610.35/504,515,042.29 = 208,961,080.40/x
  3. Step 3: Cross multiply
    365,590,610.35x = 504,515,042.29 × 208,961,080.40
  4. Step 4: Simplify right side
    365,590,610.35x = 105,424,008,315,654,928
  5. Step 5: Solve for x
    x = 105,424,008,315,654,928/365,590,610.35
  6. Step 6: Final answer
    x = 288,366,290.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.