Home / 253,546,704.17-350,222,669.73-209,670,935.21

Finding the Fourth Proportional to 253,546,704.17, 350,222,669.73 and 209,670,935.21

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Solution

The fourth proportional to 253,546,704.17, 350,222,669.73 and 209,670,935.21 is: 289,617,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,546,704.17 : 350,222,669.73 = 209,670,935.21 : x
  2. Step 2: Convert to fraction form
    253,546,704.17/350,222,669.73 = 209,670,935.21/x
  3. Step 3: Cross multiply
    253,546,704.17x = 350,222,669.73 × 209,670,935.21
  4. Step 4: Simplify right side
    253,546,704.17x = 73,431,514,692,280,960
  5. Step 5: Solve for x
    x = 73,431,514,692,280,960/253,546,704.17
  6. Step 6: Final answer
    x = 289,617,311.08

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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.