Home / 330,018,999.40-495,028,499.10-166,193,453.80

Finding the Fourth Proportional to 330,018,999.40, 495,028,499.10 and 166,193,453.80

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Solution

The fourth proportional to 330,018,999.40, 495,028,499.10 and 166,193,453.80 is: 249,290,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,018,999.40 : 495,028,499.10 = 166,193,453.80 : x
  2. Step 2: Convert to fraction form
    330,018,999.40/495,028,499.10 = 166,193,453.80/x
  3. Step 3: Cross multiply
    330,018,999.40x = 495,028,499.10 × 166,193,453.80
  4. Step 4: Simplify right side
    330,018,999.40x = 82,270,495,994,859,200
  5. Step 5: Solve for x
    x = 82,270,495,994,859,200/330,018,999.40
  6. Step 6: Final answer
    x = 249,290,180.70

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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.