Home / 548,997,810.40-823,496,715.60-185,486,917.60

Finding the Fourth Proportional to 548,997,810.40, 823,496,715.60 and 185,486,917.60

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Solution

The fourth proportional to 548,997,810.40, 823,496,715.60 and 185,486,917.60 is: 278,230,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,997,810.40 : 823,496,715.60 = 185,486,917.60 : x
  2. Step 2: Convert to fraction form
    548,997,810.40/823,496,715.60 = 185,486,917.60/x
  3. Step 3: Cross multiply
    548,997,810.40x = 823,496,715.60 × 185,486,917.60
  4. Step 4: Simplify right side
    548,997,810.40x = 152,747,867,430,367,840
  5. Step 5: Solve for x
    x = 152,747,867,430,367,840/548,997,810.40
  6. Step 6: Final answer
    x = 278,230,376.40

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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.