Home / 1,379,212,819.60-1,903,354,004.52-752,721,455.44

Finding the Fourth Proportional to 1,379,212,819.60, 1,903,354,004.52 and 752,721,455.44

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Solution

The fourth proportional to 1,379,212,819.60, 1,903,354,004.52 and 752,721,455.44 is: 1,038,777,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,212,819.60 : 1,903,354,004.52 = 752,721,455.44 : x
  2. Step 2: Convert to fraction form
    1,379,212,819.60/1,903,354,004.52 = 752,721,455.44/x
  3. Step 3: Cross multiply
    1,379,212,819.60x = 1,903,354,004.52 × 752,721,455.44
  4. Step 4: Simplify right side
    1,379,212,819.60x = 1,432,695,396,499,846,912
  5. Step 5: Solve for x
    x = 1,432,695,396,499,846,912/1,379,212,819.60
  6. Step 6: Final answer
    x = 1,038,777,610.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.