Home / 20,693,657,486.18-31,040,486,194.24-4,972,482,115.66

Finding the Fourth Proportional to 20,693,657,486.18, 31,040,486,194.24 and 4,972,482,115.66

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Solution

The fourth proportional to 20,693,657,486.18, 31,040,486,194.24 and 4,972,482,115.66 is: 7,458,723,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,657,486.18 : 31,040,486,194.24 = 4,972,482,115.66 : x
  2. Step 2: Convert to fraction form
    20,693,657,486.18/31,040,486,194.24 = 4,972,482,115.66/x
  3. Step 3: Cross multiply
    20,693,657,486.18x = 31,040,486,194.24 × 4,972,482,115.66
  4. Step 4: Simplify right side
    20,693,657,486.18x = 154,348,262,462,079,401,984
  5. Step 5: Solve for x
    x = 154,348,262,462,079,401,984/20,693,657,486.18
  6. Step 6: Final answer
    x = 7,458,723,165.06

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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.