Home / 579,787,693.80-869,681,540.70-196,835,245.80

Finding the Fourth Proportional to 579,787,693.80, 869,681,540.70 and 196,835,245.80

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Solution

The fourth proportional to 579,787,693.80, 869,681,540.70 and 196,835,245.80 is: 295,252,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,787,693.80 : 869,681,540.70 = 196,835,245.80 : x
  2. Step 2: Convert to fraction form
    579,787,693.80/869,681,540.70 = 196,835,245.80/x
  3. Step 3: Cross multiply
    579,787,693.80x = 869,681,540.70 × 196,835,245.80
  4. Step 4: Simplify right side
    579,787,693.80x = 171,183,979,831,407,232
  5. Step 5: Solve for x
    x = 171,183,979,831,407,232/579,787,693.80
  6. Step 6: Final answer
    x = 295,252,868.70

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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.