Home / 403,749,513.20-605,624,269.80-220,083,503.60

Finding the Fourth Proportional to 403,749,513.20, 605,624,269.80 and 220,083,503.60

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Solution

The fourth proportional to 403,749,513.20, 605,624,269.80 and 220,083,503.60 is: 330,125,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,749,513.20 : 605,624,269.80 = 220,083,503.60 : x
  2. Step 2: Convert to fraction form
    403,749,513.20/605,624,269.80 = 220,083,503.60/x
  3. Step 3: Cross multiply
    403,749,513.20x = 605,624,269.80 × 220,083,503.60
  4. Step 4: Simplify right side
    403,749,513.20x = 133,287,911,162,775,664
  5. Step 5: Solve for x
    x = 133,287,911,162,775,664/403,749,513.20
  6. Step 6: Final answer
    x = 330,125,255.40

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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.