Home / 419,917,477.60-629,876,216.40-113,240,591.20

Finding the Fourth Proportional to 419,917,477.60, 629,876,216.40 and 113,240,591.20

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Solution

The fourth proportional to 419,917,477.60, 629,876,216.40 and 113,240,591.20 is: 169,860,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,917,477.60 : 629,876,216.40 = 113,240,591.20 : x
  2. Step 2: Convert to fraction form
    419,917,477.60/629,876,216.40 = 113,240,591.20/x
  3. Step 3: Cross multiply
    419,917,477.60x = 629,876,216.40 × 113,240,591.20
  4. Step 4: Simplify right side
    419,917,477.60x = 71,327,555,127,955,136
  5. Step 5: Solve for x
    x = 71,327,555,127,955,136/419,917,477.60
  6. Step 6: Final answer
    x = 169,860,886.80

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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.