Home / 3,973,826,262.69-5,483,997,219.78-2,189,794,636.89

Finding the Fourth Proportional to 3,973,826,262.69, 5,483,997,219.78 and 2,189,794,636.89

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Solution

The fourth proportional to 3,973,826,262.69, 5,483,997,219.78 and 2,189,794,636.89 is: 3,021,981,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,826,262.69 : 5,483,997,219.78 = 2,189,794,636.89 : x
  2. Step 2: Convert to fraction form
    3,973,826,262.69/5,483,997,219.78 = 2,189,794,636.89/x
  3. Step 3: Cross multiply
    3,973,826,262.69x = 5,483,997,219.78 × 2,189,794,636.89
  4. Step 4: Simplify right side
    3,973,826,262.69x = 12,008,827,700,593,913,856
  5. Step 5: Solve for x
    x = 12,008,827,700,593,913,856/3,973,826,262.69
  6. Step 6: Final answer
    x = 3,021,981,059.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.