Home / 455,158,857.60-628,121,138.88-246,315,010.56

Finding the Fourth Proportional to 455,158,857.60, 628,121,138.88 and 246,315,010.56

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Solution

The fourth proportional to 455,158,857.60, 628,121,138.88 and 246,315,010.56 is: 339,915,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158,857.60 : 628,121,138.88 = 246,315,010.56 : x
  2. Step 2: Convert to fraction form
    455,158,857.60/628,121,138.88 = 246,315,010.56/x
  3. Step 3: Cross multiply
    455,158,857.60x = 628,121,138.88 × 246,315,010.56
  4. Step 4: Simplify right side
    455,158,857.60x = 154,715,664,956,186,432
  5. Step 5: Solve for x
    x = 154,715,664,956,186,432/455,158,857.60
  6. Step 6: Final answer
    x = 339,915,751.11

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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.