Home / 14,378,879,261.70-21,568,318,892.55-12,773,614,263.30

Finding the Fourth Proportional to 14,378,879,261.70, 21,568,318,892.55 and 12,773,614,263.30

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Solution

The fourth proportional to 14,378,879,261.70, 21,568,318,892.55 and 12,773,614,263.30 is: 19,160,421,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378,879,261.70 : 21,568,318,892.55 = 12,773,614,263.30 : x
  2. Step 2: Convert to fraction form
    14,378,879,261.70/21,568,318,892.55 = 12,773,614,263.30/x
  3. Step 3: Cross multiply
    14,378,879,261.70x = 21,568,318,892.55 × 12,773,614,263.30
  4. Step 4: Simplify right side
    14,378,879,261.70x = 275,505,385,841,279,500,288
  5. Step 5: Solve for x
    x = 275,505,385,841,279,500,288/14,378,879,261.70
  6. Step 6: Final answer
    x = 19,160,421,394.95

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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.