Home / 296,401,449.47-408,899,864.55-178,889,215.55

Finding the Fourth Proportional to 296,401,449.47, 408,899,864.55 and 178,889,215.55

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Solution

The fourth proportional to 296,401,449.47, 408,899,864.55 and 178,889,215.55 is: 246,786,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,401,449.47 : 408,899,864.55 = 178,889,215.55 : x
  2. Step 2: Convert to fraction form
    296,401,449.47/408,899,864.55 = 178,889,215.55/x
  3. Step 3: Cross multiply
    296,401,449.47x = 408,899,864.55 × 178,889,215.55
  4. Step 4: Simplify right side
    296,401,449.47x = 73,147,776,007,850,768
  5. Step 5: Solve for x
    x = 73,147,776,007,850,768/296,401,449.47
  6. Step 6: Final answer
    x = 246,786,161.60

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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.