Home / 384,263,994,930.87-576,279,945,610.91-115,581,650,013.57

Finding the Fourth Proportional to 384,263,994,930.87, 576,279,945,610.91 and 115,581,650,013.57

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Solution

The fourth proportional to 384,263,994,930.87, 576,279,945,610.91 and 115,581,650,013.57 is: 173,337,569,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,263,994,930.87 : 576,279,945,610.91 = 115,581,650,013.57 : x
  2. Step 2: Convert to fraction form
    384,263,994,930.87/576,279,945,610.91 = 115,581,650,013.57/x
  3. Step 3: Cross multiply
    384,263,994,930.87x = 576,279,945,610.91 × 115,581,650,013.57
  4. Step 4: Simplify right side
    384,263,994,930.87x = 66,607,386,983,439,362,162,688
  5. Step 5: Solve for x
    x = 66,607,386,983,439,362,162,688/384,263,994,930.87
  6. Step 6: Final answer
    x = 173,337,569,645.11

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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.