Home / 12,282,695,489.60-18,387,763,528.80-8,146,809,051.20

Finding the Fourth Proportional to 12,282,695,489.60, 18,387,763,528.80 and 8,146,809,051.20

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Solution

The fourth proportional to 12,282,695,489.60, 18,387,763,528.80 and 8,146,809,051.20 is: 12,196,150,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,695,489.60 : 18,387,763,528.80 = 8,146,809,051.20 : x
  2. Step 2: Convert to fraction form
    12,282,695,489.60/18,387,763,528.80 = 8,146,809,051.20/x
  3. Step 3: Cross multiply
    12,282,695,489.60x = 18,387,763,528.80 × 8,146,809,051.20
  4. Step 4: Simplify right side
    12,282,695,489.60x = 149,801,598,347,753,095,168
  5. Step 5: Solve for x
    x = 149,801,598,347,753,095,168/12,282,695,489.60
  6. Step 6: Final answer
    x = 12,196,150,142.66

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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.