Home / 403,749,516.20-605,624,274.30-220,083,506.60

Finding the Fourth Proportional to 403,749,516.20, 605,624,274.30 and 220,083,506.60

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Solution

The fourth proportional to 403,749,516.20, 605,624,274.30 and 220,083,506.60 is: 330,125,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,749,516.20 : 605,624,274.30 = 220,083,506.60 : x
  2. Step 2: Convert to fraction form
    403,749,516.20/605,624,274.30 = 220,083,506.60/x
  3. Step 3: Cross multiply
    403,749,516.20x = 605,624,274.30 × 220,083,506.60
  4. Step 4: Simplify right side
    403,749,516.20x = 133,287,913,970,024,240
  5. Step 5: Solve for x
    x = 133,287,913,970,024,240/403,749,516.20
  6. Step 6: Final answer
    x = 330,125,259.90

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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.