Home / 253,546,701.39-350,222,665.92-209,670,932.43

Finding the Fourth Proportional to 253,546,701.39, 350,222,665.92 and 209,670,932.43

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Solution

The fourth proportional to 253,546,701.39, 350,222,665.92 and 209,670,932.43 is: 289,617,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,546,701.39 : 350,222,665.92 = 209,670,932.43 : x
  2. Step 2: Convert to fraction form
    253,546,701.39/350,222,665.92 = 209,670,932.43/x
  3. Step 3: Cross multiply
    253,546,701.39x = 350,222,665.92 × 209,670,932.43
  4. Step 4: Simplify right side
    253,546,701.39x = 73,431,512,920,778,416
  5. Step 5: Solve for x
    x = 73,431,512,920,778,416/253,546,701.39
  6. Step 6: Final answer
    x = 289,617,307.26

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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.