Home / 408,945,696,438.30-613,418,544,657.45-197,123,544,077.55

Finding the Fourth Proportional to 408,945,696,438.30, 613,418,544,657.45 and 197,123,544,077.55

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Solution

The fourth proportional to 408,945,696,438.30, 613,418,544,657.45 and 197,123,544,077.55 is: 295,685,316,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,945,696,438.30 : 613,418,544,657.45 = 197,123,544,077.55 : x
  2. Step 2: Convert to fraction form
    408,945,696,438.30/613,418,544,657.45 = 197,123,544,077.55/x
  3. Step 3: Cross multiply
    408,945,696,438.30x = 613,418,544,657.45 × 197,123,544,077.55
  4. Step 4: Simplify right side
    408,945,696,438.30x = 120,919,237,525,769,398,779,904
  5. Step 5: Solve for x
    x = 120,919,237,525,769,398,779,904/408,945,696,438.30
  6. Step 6: Final answer
    x = 295,685,316,116.33

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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.