Home / 419,616,035.60-629,990,923.80-266,561,027.60

Finding the Fourth Proportional to 419,616,035.60, 629,990,923.80 and 266,561,027.60

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Solution

The fourth proportional to 419,616,035.60, 629,990,923.80 and 266,561,027.60 is: 400,201,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,616,035.60 : 629,990,923.80 = 266,561,027.60 : x
  2. Step 2: Convert to fraction form
    419,616,035.60/629,990,923.80 = 266,561,027.60/x
  3. Step 3: Cross multiply
    419,616,035.60x = 629,990,923.80 × 266,561,027.60
  4. Step 4: Simplify right side
    419,616,035.60x = 167,931,028,026,801,280
  5. Step 5: Solve for x
    x = 167,931,028,026,801,280/419,616,035.60
  6. Step 6: Final answer
    x = 400,201,645.74

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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.