Home / 20,693,657,745.23-31,040,486,583.02-4,972,482,374.71

Finding the Fourth Proportional to 20,693,657,745.23, 31,040,486,583.02 and 4,972,482,374.71

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Solution

The fourth proportional to 20,693,657,745.23, 31,040,486,583.02 and 4,972,482,374.71 is: 7,458,723,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693,657,745.23 : 31,040,486,583.02 = 4,972,482,374.71 : x
  2. Step 2: Convert to fraction form
    20,693,657,745.23/31,040,486,583.02 = 4,972,482,374.71/x
  3. Step 3: Cross multiply
    20,693,657,745.23x = 31,040,486,583.02 × 4,972,482,374.71
  4. Step 4: Simplify right side
    20,693,657,745.23x = 154,348,272,436,411,596,800
  5. Step 5: Solve for x
    x = 154,348,272,436,411,596,800/20,693,657,745.23
  6. Step 6: Final answer
    x = 7,458,723,553.69

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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.