Home / 551,690,911.06-827,621,397.15-188,100,236.50

Finding the Fourth Proportional to 551,690,911.06, 827,621,397.15 and 188,100,236.50

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Solution

The fourth proportional to 551,690,911.06, 827,621,397.15 and 188,100,236.50 is: 282,179,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,690,911.06 : 827,621,397.15 = 188,100,236.50 : x
  2. Step 2: Convert to fraction form
    551,690,911.06/827,621,397.15 = 188,100,236.50/x
  3. Step 3: Cross multiply
    551,690,911.06x = 827,621,397.15 × 188,100,236.50
  4. Step 4: Simplify right side
    551,690,911.06x = 155,675,780,536,375,424
  5. Step 5: Solve for x
    x = 155,675,780,536,375,424/551,690,911.06
  6. Step 6: Final answer
    x = 282,179,346.11

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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.