Home / 279,018,777.38-418,145,528.55-176,599,992.74

Finding the Fourth Proportional to 279,018,777.38, 418,145,528.55 and 176,599,992.74

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Solution

The fourth proportional to 279,018,777.38, 418,145,528.55 and 176,599,992.74 is: 264,657,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,018,777.38 : 418,145,528.55 = 176,599,992.74 : x
  2. Step 2: Convert to fraction form
    279,018,777.38/418,145,528.55 = 176,599,992.74/x
  3. Step 3: Cross multiply
    279,018,777.38x = 418,145,528.55 × 176,599,992.74
  4. Step 4: Simplify right side
    279,018,777.38x = 73,844,497,306,193,472
  5. Step 5: Solve for x
    x = 73,844,497,306,193,472/279,018,777.38
  6. Step 6: Final answer
    x = 264,657,805.47

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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.