Home / 746,427,801.20-1,118,820,556.20-261,503,999.60

Finding the Fourth Proportional to 746,427,801.20, 1,118,820,556.20 and 261,503,999.60

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Solution

The fourth proportional to 746,427,801.20, 1,118,820,556.20 and 261,503,999.60 is: 391,968,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,427,801.20 : 1,118,820,556.20 = 261,503,999.60 : x
  2. Step 2: Convert to fraction form
    746,427,801.20/1,118,820,556.20 = 261,503,999.60/x
  3. Step 3: Cross multiply
    746,427,801.20x = 1,118,820,556.20 × 261,503,999.60
  4. Step 4: Simplify right side
    746,427,801.20x = 292,576,050,280,996,608
  5. Step 5: Solve for x
    x = 292,576,050,280,996,608/746,427,801.20
  6. Step 6: Final answer
    x = 391,968,318.72

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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.