Home / 20,798,415,311.92-28,699,391,745.23-11,643,445,462.30

Finding the Fourth Proportional to 20,798,415,311.92, 28,699,391,745.23 and 11,643,445,462.30

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Solution

The fourth proportional to 20,798,415,311.92, 28,699,391,745.23 and 11,643,445,462.30 is: 16,066,599,189.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,415,311.92 : 28,699,391,745.23 = 11,643,445,462.30 : x
  2. Step 2: Convert to fraction form
    20,798,415,311.92/28,699,391,745.23 = 11,643,445,462.30/x
  3. Step 3: Cross multiply
    20,798,415,311.92x = 28,699,391,745.23 × 11,643,445,462.30
  4. Step 4: Simplify right side
    20,798,415,311.92x = 334,159,802,586,768,277,504
  5. Step 5: Solve for x
    x = 334,159,802,586,768,277,504/20,798,415,311.92
  6. Step 6: Final answer
    x = 16,066,599,189.18

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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.