Home / 679,959,092.20-1,019,938,638.30-220,227,197.80

Finding the Fourth Proportional to 679,959,092.20, 1,019,938,638.30 and 220,227,197.80

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Solution

The fourth proportional to 679,959,092.20, 1,019,938,638.30 and 220,227,197.80 is: 330,340,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,959,092.20 : 1,019,938,638.30 = 220,227,197.80 : x
  2. Step 2: Convert to fraction form
    679,959,092.20/1,019,938,638.30 = 220,227,197.80/x
  3. Step 3: Cross multiply
    679,959,092.20x = 1,019,938,638.30 × 220,227,197.80
  4. Step 4: Simplify right side
    679,959,092.20x = 224,618,228,240,756,768
  5. Step 5: Solve for x
    x = 224,618,228,240,756,768/679,959,092.20
  6. Step 6: Final answer
    x = 330,340,796.70

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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.