Home / 766,152,138.60-1,149,228,207.90-460,042,122.60

Finding the Fourth Proportional to 766,152,138.60, 1,149,228,207.90 and 460,042,122.60

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Solution

The fourth proportional to 766,152,138.60, 1,149,228,207.90 and 460,042,122.60 is: 690,063,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,152,138.60 : 1,149,228,207.90 = 460,042,122.60 : x
  2. Step 2: Convert to fraction form
    766,152,138.60/1,149,228,207.90 = 460,042,122.60/x
  3. Step 3: Cross multiply
    766,152,138.60x = 1,149,228,207.90 × 460,042,122.60
  4. Step 4: Simplify right side
    766,152,138.60x = 528,693,384,114,110,144
  5. Step 5: Solve for x
    x = 528,693,384,114,110,144/766,152,138.60
  6. Step 6: Final answer
    x = 690,063,183.90

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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.