Home / 843,114,949.18-1,263,921,250.40-400,184,367.90

Finding the Fourth Proportional to 843,114,949.18, 1,263,921,250.40 and 400,184,367.90

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Solution

The fourth proportional to 843,114,949.18, 1,263,921,250.40 and 400,184,367.90 is: 599,920,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,114,949.18 : 1,263,921,250.40 = 400,184,367.90 : x
  2. Step 2: Convert to fraction form
    843,114,949.18/1,263,921,250.40 = 400,184,367.90/x
  3. Step 3: Cross multiply
    843,114,949.18x = 1,263,921,250.40 × 400,184,367.90
  4. Step 4: Simplify right side
    843,114,949.18x = 505,801,526,670,838,656
  5. Step 5: Solve for x
    x = 505,801,526,670,838,656/843,114,949.18
  6. Step 6: Final answer
    x = 599,920,007.54

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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.