Home / 306,554,809.20-459,832,213.80-276,321,721.20

Finding the Fourth Proportional to 306,554,809.20, 459,832,213.80 and 276,321,721.20

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Solution

The fourth proportional to 306,554,809.20, 459,832,213.80 and 276,321,721.20 is: 414,482,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,554,809.20 : 459,832,213.80 = 276,321,721.20 : x
  2. Step 2: Convert to fraction form
    306,554,809.20/459,832,213.80 = 276,321,721.20/x
  3. Step 3: Cross multiply
    306,554,809.20x = 459,832,213.80 × 276,321,721.20
  4. Step 4: Simplify right side
    306,554,809.20x = 127,061,628,780,422,384
  5. Step 5: Solve for x
    x = 127,061,628,780,422,384/306,554,809.20
  6. Step 6: Final answer
    x = 414,482,581.80

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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.