Home / 1,347,489,035.70-2,021,233,553.55-930,272,421.30

Finding the Fourth Proportional to 1,347,489,035.70, 2,021,233,553.55 and 930,272,421.30

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Solution

The fourth proportional to 1,347,489,035.70, 2,021,233,553.55 and 930,272,421.30 is: 1,395,408,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,489,035.70 : 2,021,233,553.55 = 930,272,421.30 : x
  2. Step 2: Convert to fraction form
    1,347,489,035.70/2,021,233,553.55 = 930,272,421.30/x
  3. Step 3: Cross multiply
    1,347,489,035.70x = 2,021,233,553.55 × 930,272,421.30
  4. Step 4: Simplify right side
    1,347,489,035.70x = 1,880,297,831,873,761,536
  5. Step 5: Solve for x
    x = 1,880,297,831,873,761,536/1,347,489,035.70
  6. Step 6: Final answer
    x = 1,395,408,631.95

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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.