Home / 279,018,782.38-418,145,536.04-176,599,997.74

Finding the Fourth Proportional to 279,018,782.38, 418,145,536.04 and 176,599,997.74

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Solution

The fourth proportional to 279,018,782.38, 418,145,536.04 and 176,599,997.74 is: 264,657,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,018,782.38 : 418,145,536.04 = 176,599,997.74 : x
  2. Step 2: Convert to fraction form
    279,018,782.38/418,145,536.04 = 176,599,997.74/x
  3. Step 3: Cross multiply
    279,018,782.38x = 418,145,536.04 × 176,599,997.74
  4. Step 4: Simplify right side
    279,018,782.38x = 73,844,500,719,655,104
  5. Step 5: Solve for x
    x = 73,844,500,719,655,104/279,018,782.38
  6. Step 6: Final answer
    x = 264,657,812.96

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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.