Home / 296,946,746.40-445,420,119.60-200,200,864.80

Finding the Fourth Proportional to 296,946,746.40, 445,420,119.60 and 200,200,864.80

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Solution

The fourth proportional to 296,946,746.40, 445,420,119.60 and 200,200,864.80 is: 300,301,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,946,746.40 : 445,420,119.60 = 200,200,864.80 : x
  2. Step 2: Convert to fraction form
    296,946,746.40/445,420,119.60 = 200,200,864.80/x
  3. Step 3: Cross multiply
    296,946,746.40x = 445,420,119.60 × 200,200,864.80
  4. Step 4: Simplify right side
    296,946,746.40x = 89,173,493,143,239,440
  5. Step 5: Solve for x
    x = 89,173,493,143,239,440/296,946,746.40
  6. Step 6: Final answer
    x = 300,301,297.20

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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.