Home / 1,347,489,021.70-2,021,233,532.55-930,272,407.30

Finding the Fourth Proportional to 1,347,489,021.70, 2,021,233,532.55 and 930,272,407.30

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Solution

The fourth proportional to 1,347,489,021.70, 2,021,233,532.55 and 930,272,407.30 is: 1,395,408,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,489,021.70 : 2,021,233,532.55 = 930,272,407.30 : x
  2. Step 2: Convert to fraction form
    1,347,489,021.70/2,021,233,532.55 = 930,272,407.30/x
  3. Step 3: Cross multiply
    1,347,489,021.70x = 2,021,233,532.55 × 930,272,407.30
  4. Step 4: Simplify right side
    1,347,489,021.70x = 1,880,297,784,040,771,328
  5. Step 5: Solve for x
    x = 1,880,297,784,040,771,328/1,347,489,021.70
  6. Step 6: Final answer
    x = 1,395,408,610.95

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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.