Home / 299,460,729.40-448,435,266.90-196,668,230.20

Finding the Fourth Proportional to 299,460,729.40, 448,435,266.90 and 196,668,230.20

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Solution

The fourth proportional to 299,460,729.40, 448,435,266.90 and 196,668,230.20 is: 294,505,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,460,729.40 : 448,435,266.90 = 196,668,230.20 : x
  2. Step 2: Convert to fraction form
    299,460,729.40/448,435,266.90 = 196,668,230.20/x
  3. Step 3: Cross multiply
    299,460,729.40x = 448,435,266.90 × 196,668,230.20
  4. Step 4: Simplify right side
    299,460,729.40x = 88,192,970,300,487,632
  5. Step 5: Solve for x
    x = 88,192,970,300,487,632/299,460,729.40
  6. Step 6: Final answer
    x = 294,505,962.36

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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.