Home / 366,979,231.90-550,468,847.85-203,720,556.70

Finding the Fourth Proportional to 366,979,231.90, 550,468,847.85 and 203,720,556.70

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Solution

The fourth proportional to 366,979,231.90, 550,468,847.85 and 203,720,556.70 is: 305,580,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979,231.90 : 550,468,847.85 = 203,720,556.70 : x
  2. Step 2: Convert to fraction form
    366,979,231.90/550,468,847.85 = 203,720,556.70/x
  3. Step 3: Cross multiply
    366,979,231.90x = 550,468,847.85 × 203,720,556.70
  4. Step 4: Simplify right side
    366,979,231.90x = 112,141,820,130,009,600
  5. Step 5: Solve for x
    x = 112,141,820,130,009,600/366,979,231.90
  6. Step 6: Final answer
    x = 305,580,835.05

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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.