Home / 20,028,677,181.12-27,638,191,903.32-11,117,304,432

Finding the Fourth Proportional to 20,028,677,181.12, 27,638,191,903.32 and 11,117,304,432

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Solution

The fourth proportional to 20,028,677,181.12, 27,638,191,903.32 and 11,117,304,432 is: 15,341,112,673.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028,677,181.12 : 27,638,191,903.32 = 11,117,304,432 : x
  2. Step 2: Convert to fraction form
    20,028,677,181.12/27,638,191,903.32 = 11,117,304,432/x
  3. Step 3: Cross multiply
    20,028,677,181.12x = 27,638,191,903.32 × 11,117,304,432
  4. Step 4: Simplify right side
    20,028,677,181.12x = 307,262,193,339,245,920,256
  5. Step 5: Solve for x
    x = 307,262,193,339,245,920,256/20,028,677,181.12
  6. Step 6: Final answer
    x = 15,341,112,673.63

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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.