Home / 253,546,703.42-350,222,668.70-209,670,934.46

Finding the Fourth Proportional to 253,546,703.42, 350,222,668.70 and 209,670,934.46

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Solution

The fourth proportional to 253,546,703.42, 350,222,668.70 and 209,670,934.46 is: 289,617,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,546,703.42 : 350,222,668.70 = 209,670,934.46 : x
  2. Step 2: Convert to fraction form
    253,546,703.42/350,222,668.70 = 209,670,934.46/x
  3. Step 3: Cross multiply
    253,546,703.42x = 350,222,668.70 × 209,670,934.46
  4. Step 4: Simplify right side
    253,546,703.42x = 73,431,514,214,177,056
  5. Step 5: Solve for x
    x = 73,431,514,214,177,056/253,546,703.42
  6. Step 6: Final answer
    x = 289,617,310.05

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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.