Home / 505,512,951.60-758,269,427.40-214,330,522.80

Finding the Fourth Proportional to 505,512,951.60, 758,269,427.40 and 214,330,522.80

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Solution

The fourth proportional to 505,512,951.60, 758,269,427.40 and 214,330,522.80 is: 321,495,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,512,951.60 : 758,269,427.40 = 214,330,522.80 : x
  2. Step 2: Convert to fraction form
    505,512,951.60/758,269,427.40 = 214,330,522.80/x
  3. Step 3: Cross multiply
    505,512,951.60x = 758,269,427.40 × 214,330,522.80
  4. Step 4: Simplify right side
    505,512,951.60x = 162,520,282,797,898,656
  5. Step 5: Solve for x
    x = 162,520,282,797,898,656/505,512,951.60
  6. Step 6: Final answer
    x = 321,495,784.20

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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.