Home / 316,723,112,822.80-437,093,599,138.80-196,467,793,037.20

Finding the Fourth Proportional to 316,723,112,822.80, 437,093,599,138.80 and 196,467,793,037.20

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Solution

The fourth proportional to 316,723,112,822.80, 437,093,599,138.80 and 196,467,793,037.20 is: 271,135,295,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,723,112,822.80 : 437,093,599,138.80 = 196,467,793,037.20 : x
  2. Step 2: Convert to fraction form
    316,723,112,822.80/437,093,599,138.80 = 196,467,793,037.20/x
  3. Step 3: Cross multiply
    316,723,112,822.80x = 437,093,599,138.80 × 196,467,793,037.20
  4. Step 4: Simplify right side
    316,723,112,822.80x = 85,874,814,773,486,621,294,592
  5. Step 5: Solve for x
    x = 85,874,814,773,486,621,294,592/316,723,112,822.80
  6. Step 6: Final answer
    x = 271,135,295,457.68

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Double scale
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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.