Home / 387,084,504.60-580,248,843.30-346,269,835.80

Finding the Fourth Proportional to 387,084,504.60, 580,248,843.30 and 346,269,835.80

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Solution

The fourth proportional to 387,084,504.60, 580,248,843.30 and 346,269,835.80 is: 519,066,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,084,504.60 : 580,248,843.30 = 346,269,835.80 : x
  2. Step 2: Convert to fraction form
    387,084,504.60/580,248,843.30 = 346,269,835.80/x
  3. Step 3: Cross multiply
    387,084,504.60x = 580,248,843.30 × 346,269,835.80
  4. Step 4: Simplify right side
    387,084,504.60x = 200,922,671,692,630,912
  5. Step 5: Solve for x
    x = 200,922,671,692,630,912/387,084,504.60
  6. Step 6: Final answer
    x = 519,066,687.78

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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.