Home / 384,263,994,906.10-576,279,945,573.81-115,581,649,988.78

Finding the Fourth Proportional to 384,263,994,906.10, 576,279,945,573.81 and 115,581,649,988.78

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Solution

The fourth proportional to 384,263,994,906.10, 576,279,945,573.81 and 115,581,649,988.78 is: 173,337,569,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,263,994,906.10 : 576,279,945,573.81 = 115,581,649,988.78 : x
  2. Step 2: Convert to fraction form
    384,263,994,906.10/576,279,945,573.81 = 115,581,649,988.78/x
  3. Step 3: Cross multiply
    384,263,994,906.10x = 576,279,945,573.81 × 115,581,649,988.78
  4. Step 4: Simplify right side
    384,263,994,906.10x = 66,607,386,964,865,297,940,480
  5. Step 5: Solve for x
    x = 66,607,386,964,865,297,940,480/384,263,994,906.10
  6. Step 6: Final answer
    x = 173,337,569,607.95

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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.