Home / 455,166,020.66-628,131,087.75-246,322,181.66

Finding the Fourth Proportional to 455,166,020.66, 628,131,087.75 and 246,322,181.66

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Solution

The fourth proportional to 455,166,020.66, 628,131,087.75 and 246,322,181.66 is: 339,925,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,166,020.66 : 628,131,087.75 = 246,322,181.66 : x
  2. Step 2: Convert to fraction form
    455,166,020.66/628,131,087.75 = 246,322,181.66/x
  3. Step 3: Cross multiply
    455,166,020.66x = 628,131,087.75 × 246,322,181.66
  4. Step 4: Simplify right side
    455,166,020.66x = 154,722,619,903,048,896
  5. Step 5: Solve for x
    x = 154,722,619,903,048,896/455,166,020.66
  6. Step 6: Final answer
    x = 339,925,681.80

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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.