Home / 455,158,858.60-628,121,140.26-246,315,011.56

Finding the Fourth Proportional to 455,158,858.60, 628,121,140.26 and 246,315,011.56

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Solution

The fourth proportional to 455,158,858.60, 628,121,140.26 and 246,315,011.56 is: 339,915,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,158,858.60 : 628,121,140.26 = 246,315,011.56 : x
  2. Step 2: Convert to fraction form
    455,158,858.60/628,121,140.26 = 246,315,011.56/x
  3. Step 3: Cross multiply
    455,158,858.60x = 628,121,140.26 × 246,315,011.56
  4. Step 4: Simplify right side
    455,158,858.60x = 154,715,665,924,222,272
  5. Step 5: Solve for x
    x = 154,715,665,924,222,272/455,158,858.60
  6. Step 6: Final answer
    x = 339,915,752.49

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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.