Home / 2,146,308,668.70-3,219,463,003.05-1,991,340,473.10

Finding the Fourth Proportional to 2,146,308,668.70, 3,219,463,003.05 and 1,991,340,473.10

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Solution

The fourth proportional to 2,146,308,668.70, 3,219,463,003.05 and 1,991,340,473.10 is: 2,987,010,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,308,668.70 : 3,219,463,003.05 = 1,991,340,473.10 : x
  2. Step 2: Convert to fraction form
    2,146,308,668.70/3,219,463,003.05 = 1,991,340,473.10/x
  3. Step 3: Cross multiply
    2,146,308,668.70x = 3,219,463,003.05 × 1,991,340,473.10
  4. Step 4: Simplify right side
    2,146,308,668.70x = 6,411,046,979,621,533,696
  5. Step 5: Solve for x
    x = 6,411,046,979,621,533,696/2,146,308,668.70
  6. Step 6: Final answer
    x = 2,987,010,709.65

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Double scale
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Similar ratio
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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.