Home / 3,786,741,451.40-5,225,602,961.16-2,116,004,321.48

Finding the Fourth Proportional to 3,786,741,451.40, 5,225,602,961.16 and 2,116,004,321.48

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Solution

The fourth proportional to 3,786,741,451.40, 5,225,602,961.16 and 2,116,004,321.48 is: 2,920,029,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,741,451.40 : 5,225,602,961.16 = 2,116,004,321.48 : x
  2. Step 2: Convert to fraction form
    3,786,741,451.40/5,225,602,961.16 = 2,116,004,321.48/x
  3. Step 3: Cross multiply
    3,786,741,451.40x = 5,225,602,961.16 × 2,116,004,321.48
  4. Step 4: Simplify right side
    3,786,741,451.40x = 11,057,398,448,153,243,648
  5. Step 5: Solve for x
    x = 11,057,398,448,153,243,648/3,786,741,451.40
  6. Step 6: Final answer
    x = 2,920,029,949.25

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Double scale
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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.