Home / 384,263,994,929.37-576,279,945,608.66-115,581,650,012.07

Finding the Fourth Proportional to 384,263,994,929.37, 576,279,945,608.66 and 115,581,650,012.07

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Solution

The fourth proportional to 384,263,994,929.37, 576,279,945,608.66 and 115,581,650,012.07 is: 173,337,569,642.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,263,994,929.37 : 576,279,945,608.66 = 115,581,650,012.07 : x
  2. Step 2: Convert to fraction form
    384,263,994,929.37/576,279,945,608.66 = 115,581,650,012.07/x
  3. Step 3: Cross multiply
    384,263,994,929.37x = 576,279,945,608.66 × 115,581,650,012.07
  4. Step 4: Simplify right side
    384,263,994,929.37x = 66,607,386,982,314,886,037,504
  5. Step 5: Solve for x
    x = 66,607,386,982,314,886,037,504/384,263,994,929.37
  6. Step 6: Final answer
    x = 173,337,569,642.86

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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.