Home / 256,609,570.70-384,914,356.05-154,320,956.30

Finding the Fourth Proportional to 256,609,570.70, 384,914,356.05 and 154,320,956.30

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Solution

The fourth proportional to 256,609,570.70, 384,914,356.05 and 154,320,956.30 is: 231,481,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,609,570.70 : 384,914,356.05 = 154,320,956.30 : x
  2. Step 2: Convert to fraction form
    256,609,570.70/384,914,356.05 = 154,320,956.30/x
  3. Step 3: Cross multiply
    256,609,570.70x = 384,914,356.05 × 154,320,956.30
  4. Step 4: Simplify right side
    256,609,570.70x = 59,400,351,519,234,696
  5. Step 5: Solve for x
    x = 59,400,351,519,234,696/256,609,570.70
  6. Step 6: Final answer
    x = 231,481,434.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.