Home / 16,902,146,739.20-25,353,220,108.80-8,178,893,081.60

Finding the Fourth Proportional to 16,902,146,739.20, 25,353,220,108.80 and 8,178,893,081.60

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Solution

The fourth proportional to 16,902,146,739.20, 25,353,220,108.80 and 8,178,893,081.60 is: 12,268,339,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902,146,739.20 : 25,353,220,108.80 = 8,178,893,081.60 : x
  2. Step 2: Convert to fraction form
    16,902,146,739.20/25,353,220,108.80 = 8,178,893,081.60/x
  3. Step 3: Cross multiply
    16,902,146,739.20x = 25,353,220,108.80 × 8,178,893,081.60
  4. Step 4: Simplify right side
    16,902,146,739.20x = 207,361,276,544,146,309,120
  5. Step 5: Solve for x
    x = 207,361,276,544,146,309,120/16,902,146,739.20
  6. Step 6: Final answer
    x = 12,268,339,622.40

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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.