Home / 2,116,933,586.48-2,921,734,010.22-1,225,351,905.14

Finding the Fourth Proportional to 2,116,933,586.48, 2,921,734,010.22 and 1,225,351,905.14

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Solution

The fourth proportional to 2,116,933,586.48, 2,921,734,010.22 and 1,225,351,905.14 is: 1,691,197,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,933,586.48 : 2,921,734,010.22 = 1,225,351,905.14 : x
  2. Step 2: Convert to fraction form
    2,116,933,586.48/2,921,734,010.22 = 1,225,351,905.14/x
  3. Step 3: Cross multiply
    2,116,933,586.48x = 2,921,734,010.22 × 1,225,351,905.14
  4. Step 4: Simplify right side
    2,116,933,586.48x = 3,580,152,335,735,409,152
  5. Step 5: Solve for x
    x = 3,580,152,335,735,409,152/2,116,933,586.48
  6. Step 6: Final answer
    x = 1,691,197,285.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.