Home / 403,749,539.70-605,624,309.55-220,083,530.10

Finding the Fourth Proportional to 403,749,539.70, 605,624,309.55 and 220,083,530.10

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Solution

The fourth proportional to 403,749,539.70, 605,624,309.55 and 220,083,530.10 is: 330,125,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,749,539.70 : 605,624,309.55 = 220,083,530.10 : x
  2. Step 2: Convert to fraction form
    403,749,539.70/605,624,309.55 = 220,083,530.10/x
  3. Step 3: Cross multiply
    403,749,539.70x = 605,624,309.55 × 220,083,530.10
  4. Step 4: Simplify right side
    403,749,539.70x = 133,287,935,960,139,136
  5. Step 5: Solve for x
    x = 133,287,935,960,139,136/403,749,539.70
  6. Step 6: Final answer
    x = 330,125,295.15

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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.