Home / 303,281,988,072.53-418,542,299,694.15-167,951,168,508.72

Finding the Fourth Proportional to 303,281,988,072.53, 418,542,299,694.15 and 167,951,168,508.72

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Solution

The fourth proportional to 303,281,988,072.53, 418,542,299,694.15 and 167,951,168,508.72 is: 231,779,898,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,281,988,072.53 : 418,542,299,694.15 = 167,951,168,508.72 : x
  2. Step 2: Convert to fraction form
    303,281,988,072.53/418,542,299,694.15 = 167,951,168,508.72/x
  3. Step 3: Cross multiply
    303,281,988,072.53x = 418,542,299,694.15 × 167,951,168,508.72
  4. Step 4: Simplify right side
    303,281,988,072.53x = 70,294,668,303,959,381,245,952
  5. Step 5: Solve for x
    x = 70,294,668,303,959,381,245,952/303,281,988,072.53
  6. Step 6: Final answer
    x = 231,779,898,142.68

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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.