Home / 19,505,193,901.20-29,257,790,851.80-4,783,215,319.20

Finding the Fourth Proportional to 19,505,193,901.20, 29,257,790,851.80 and 4,783,215,319.20

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Solution

The fourth proportional to 19,505,193,901.20, 29,257,790,851.80 and 4,783,215,319.20 is: 7,174,822,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505,193,901.20 : 29,257,790,851.80 = 4,783,215,319.20 : x
  2. Step 2: Convert to fraction form
    19,505,193,901.20/29,257,790,851.80 = 4,783,215,319.20/x
  3. Step 3: Cross multiply
    19,505,193,901.20x = 29,257,790,851.80 × 4,783,215,319.20
  4. Step 4: Simplify right side
    19,505,193,901.20x = 139,946,313,408,279,363,584
  5. Step 5: Solve for x
    x = 139,946,313,408,279,363,584/19,505,193,901.20
  6. Step 6: Final answer
    x = 7,174,822,978.80

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1.5x scale

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.