Home / 256,591,276.13-381,586,132.20-248,419,042.16

Finding the Fourth Proportional to 256,591,276.13, 381,586,132.20 and 248,419,042.16

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Solution

The fourth proportional to 256,591,276.13, 381,586,132.20 and 248,419,042.16 is: 369,432,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,591,276.13 : 381,586,132.20 = 248,419,042.16 : x
  2. Step 2: Convert to fraction form
    256,591,276.13/381,586,132.20 = 248,419,042.16/x
  3. Step 3: Cross multiply
    256,591,276.13x = 381,586,132.20 × 248,419,042.16
  4. Step 4: Simplify right side
    256,591,276.13x = 94,793,261,461,686,784
  5. Step 5: Solve for x
    x = 94,793,261,461,686,784/256,591,276.13
  6. Step 6: Final answer
    x = 369,432,908.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.