Home / 308,005,072-425,046,999.36-177,624,880

Finding the Fourth Proportional to 308,005,072, 425,046,999.36 and 177,624,880

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Solution

The fourth proportional to 308,005,072, 425,046,999.36 and 177,624,880 is: 245,122,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,005,072 : 425,046,999.36 = 177,624,880 : x
  2. Step 2: Convert to fraction form
    308,005,072/425,046,999.36 = 177,624,880/x
  3. Step 3: Cross multiply
    308,005,072x = 425,046,999.36 × 177,624,880
  4. Step 4: Simplify right side
    308,005,072x = 75,498,922,255,680,080
  5. Step 5: Solve for x
    x = 75,498,922,255,680,080/308,005,072
  6. Step 6: Final answer
    x = 245,122,334.40

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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.