Home / 462,820,908.62-638,711,268.29-253,984,524.73

Finding the Fourth Proportional to 462,820,908.62, 638,711,268.29 and 253,984,524.73

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Solution

The fourth proportional to 462,820,908.62, 638,711,268.29 and 253,984,524.73 is: 350,508,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,820,908.62 : 638,711,268.29 = 253,984,524.73 : x
  2. Step 2: Convert to fraction form
    462,820,908.62/638,711,268.29 = 253,984,524.73/x
  3. Step 3: Cross multiply
    462,820,908.62x = 638,711,268.29 × 253,984,524.73
  4. Step 4: Simplify right side
    462,820,908.62x = 162,222,777,916,331,168
  5. Step 5: Solve for x
    x = 162,222,777,916,331,168/462,820,908.62
  6. Step 6: Final answer
    x = 350,508,749.49

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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.