Home / 455,166,171.72-628,131,294.95-246,322,331.91

Finding the Fourth Proportional to 455,166,171.72, 628,131,294.95 and 246,322,331.91

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Solution

The fourth proportional to 455,166,171.72, 628,131,294.95 and 246,322,331.91 is: 339,925,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,166,171.72 : 628,131,294.95 = 246,322,331.91 : x
  2. Step 2: Convert to fraction form
    455,166,171.72/628,131,294.95 = 246,322,331.91/x
  3. Step 3: Cross multiply
    455,166,171.72x = 628,131,294.95 × 246,322,331.91
  4. Step 4: Simplify right side
    455,166,171.72x = 154,722,765,316,500,416
  5. Step 5: Solve for x
    x = 154,722,765,316,500,416/455,166,171.72
  6. Step 6: Final answer
    x = 339,925,888.45

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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.