Home / 3,973,825,946.98-5,483,996,783.38-2,189,794,321.09

Finding the Fourth Proportional to 3,973,825,946.98, 5,483,996,783.38 and 2,189,794,321.09

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Solution

The fourth proportional to 3,973,825,946.98, 5,483,996,783.38 and 2,189,794,321.09 is: 3,021,980,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,825,946.98 : 5,483,996,783.38 = 2,189,794,321.09 : x
  2. Step 2: Convert to fraction form
    3,973,825,946.98/5,483,996,783.38 = 2,189,794,321.09/x
  3. Step 3: Cross multiply
    3,973,825,946.98x = 5,483,996,783.38 × 2,189,794,321.09
  4. Step 4: Simplify right side
    3,973,825,946.98x = 12,008,825,013,121,351,680
  5. Step 5: Solve for x
    x = 12,008,825,013,121,351,680/3,973,825,946.98
  6. Step 6: Final answer
    x = 3,021,980,623.55

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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.