Home / 268,580,800.80-402,871,201.20-200,556,352.80

Finding the Fourth Proportional to 268,580,800.80, 402,871,201.20 and 200,556,352.80

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Solution

The fourth proportional to 268,580,800.80, 402,871,201.20 and 200,556,352.80 is: 300,834,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,580,800.80 : 402,871,201.20 = 200,556,352.80 : x
  2. Step 2: Convert to fraction form
    268,580,800.80/402,871,201.20 = 200,556,352.80/x
  3. Step 3: Cross multiply
    268,580,800.80x = 402,871,201.20 × 200,556,352.80
  4. Step 4: Simplify right side
    268,580,800.80x = 80,798,378,760,826,992
  5. Step 5: Solve for x
    x = 80,798,378,760,826,992/268,580,800.80
  6. Step 6: Final answer
    x = 300,834,529.20

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1.5x scale

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.