Home / 403,749,515.70-605,624,273.55-220,083,506.10

Finding the Fourth Proportional to 403,749,515.70, 605,624,273.55 and 220,083,506.10

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Solution

The fourth proportional to 403,749,515.70, 605,624,273.55 and 220,083,506.10 is: 330,125,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,749,515.70 : 605,624,273.55 = 220,083,506.10 : x
  2. Step 2: Convert to fraction form
    403,749,515.70/605,624,273.55 = 220,083,506.10/x
  3. Step 3: Cross multiply
    403,749,515.70x = 605,624,273.55 × 220,083,506.10
  4. Step 4: Simplify right side
    403,749,515.70x = 133,287,913,502,149,472
  5. Step 5: Solve for x
    x = 133,287,913,502,149,472/403,749,515.70
  6. Step 6: Final answer
    x = 330,125,259.15

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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.