Home / 20,232,705,409.90-27,921,464,026.41-11,077,081,505.12

Finding the Fourth Proportional to 20,232,705,409.90, 27,921,464,026.41 and 11,077,081,505.12

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Solution

The fourth proportional to 20,232,705,409.90, 27,921,464,026.41 and 11,077,081,505.12 is: 15,286,553,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,705,409.90 : 27,921,464,026.41 = 11,077,081,505.12 : x
  2. Step 2: Convert to fraction form
    20,232,705,409.90/27,921,464,026.41 = 11,077,081,505.12/x
  3. Step 3: Cross multiply
    20,232,705,409.90x = 27,921,464,026.41 × 11,077,081,505.12
  4. Step 4: Simplify right side
    20,232,705,409.90x = 309,288,332,762,819,657,728
  5. Step 5: Solve for x
    x = 309,288,332,762,819,657,728/20,232,705,409.90
  6. Step 6: Final answer
    x = 15,286,553,453.77

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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.