Home / 435,411,196.20-652,220,999.10-220,121,749.80

Finding the Fourth Proportional to 435,411,196.20, 652,220,999.10 and 220,121,749.80

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Solution

The fourth proportional to 435,411,196.20, 652,220,999.10 and 220,121,749.80 is: 329,729,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,411,196.20 : 652,220,999.10 = 220,121,749.80 : x
  2. Step 2: Convert to fraction form
    435,411,196.20/652,220,999.10 = 220,121,749.80/x
  3. Step 3: Cross multiply
    435,411,196.20x = 652,220,999.10 × 220,121,749.80
  4. Step 4: Simplify right side
    435,411,196.20x = 143,568,027,578,196,240
  5. Step 5: Solve for x
    x = 143,568,027,578,196,240/435,411,196.20
  6. Step 6: Final answer
    x = 329,729,756.22

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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.