Home / 296,946,741.40-445,420,112.10-200,200,859.80

Finding the Fourth Proportional to 296,946,741.40, 445,420,112.10 and 200,200,859.80

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Solution

The fourth proportional to 296,946,741.40, 445,420,112.10 and 200,200,859.80 is: 300,301,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,946,741.40 : 445,420,112.10 = 200,200,859.80 : x
  2. Step 2: Convert to fraction form
    296,946,741.40/445,420,112.10 = 200,200,859.80/x
  3. Step 3: Cross multiply
    296,946,741.40x = 445,420,112.10 × 200,200,859.80
  4. Step 4: Simplify right side
    296,946,741.40x = 89,173,489,414,632,400
  5. Step 5: Solve for x
    x = 89,173,489,414,632,400/296,946,741.40
  6. Step 6: Final answer
    x = 300,301,289.70

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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.