Home / 20,634,624,116.80-30,951,936,175.20-5,125,049,972.80

Finding the Fourth Proportional to 20,634,624,116.80, 30,951,936,175.20 and 5,125,049,972.80

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Solution

The fourth proportional to 20,634,624,116.80, 30,951,936,175.20 and 5,125,049,972.80 is: 7,687,574,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634,624,116.80 : 30,951,936,175.20 = 5,125,049,972.80 : x
  2. Step 2: Convert to fraction form
    20,634,624,116.80/30,951,936,175.20 = 5,125,049,972.80/x
  3. Step 3: Cross multiply
    20,634,624,116.80x = 30,951,936,175.20 × 5,125,049,972.80
  4. Step 4: Simplify right side
    20,634,624,116.80x = 158,630,219,652,816,109,568
  5. Step 5: Solve for x
    x = 158,630,219,652,816,109,568/20,634,624,116.80
  6. Step 6: Final answer
    x = 7,687,574,959.20

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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.