Home / 365,796,045.78-504,799,042.59-198,532,309.25

Finding the Fourth Proportional to 365,796,045.78, 504,799,042.59 and 198,532,309.25

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Solution

The fourth proportional to 365,796,045.78, 504,799,042.59 and 198,532,309.25 is: 273,974,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,796,045.78 : 504,799,042.59 = 198,532,309.25 : x
  2. Step 2: Convert to fraction form
    365,796,045.78/504,799,042.59 = 198,532,309.25/x
  3. Step 3: Cross multiply
    365,796,045.78x = 504,799,042.59 × 198,532,309.25
  4. Step 4: Simplify right side
    365,796,045.78x = 100,218,919,630,057,808
  5. Step 5: Solve for x
    x = 100,218,919,630,057,808/365,796,045.78
  6. Step 6: Final answer
    x = 273,974,857.81

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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.