Home / 444,474,012.96-666,569,684.16-415,457,778.78

Finding the Fourth Proportional to 444,474,012.96, 666,569,684.16 and 415,457,778.78

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Solution

The fourth proportional to 444,474,012.96, 666,569,684.16 and 415,457,778.78 is: 623,054,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,474,012.96 : 666,569,684.16 = 415,457,778.78 : x
  2. Step 2: Convert to fraction form
    444,474,012.96/666,569,684.16 = 415,457,778.78/x
  3. Step 3: Cross multiply
    444,474,012.96x = 666,569,684.16 × 415,457,778.78
  4. Step 4: Simplify right side
    444,474,012.96x = 276,931,560,383,199,712
  5. Step 5: Solve for x
    x = 276,931,560,383,199,712/444,474,012.96
  6. Step 6: Final answer
    x = 623,054,559.57

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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.