Home / 16,879,104,010.40-25,318,656,015.60-8,623,455,447.20

Finding the Fourth Proportional to 16,879,104,010.40, 25,318,656,015.60 and 8,623,455,447.20

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Solution

The fourth proportional to 16,879,104,010.40, 25,318,656,015.60 and 8,623,455,447.20 is: 12,935,183,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879,104,010.40 : 25,318,656,015.60 = 8,623,455,447.20 : x
  2. Step 2: Convert to fraction form
    16,879,104,010.40/25,318,656,015.60 = 8,623,455,447.20/x
  3. Step 3: Cross multiply
    16,879,104,010.40x = 25,318,656,015.60 × 8,623,455,447.20
  4. Step 4: Simplify right side
    16,879,104,010.40x = 218,334,302,133,508,866,048
  5. Step 5: Solve for x
    x = 218,334,302,133,508,866,048/16,879,104,010.40
  6. Step 6: Final answer
    x = 12,935,183,170.80

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Double scale
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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.