Home / 20,798,415,110.77-28,699,391,469.77-11,643,445,261.68

Finding the Fourth Proportional to 20,798,415,110.77, 28,699,391,469.77 and 11,643,445,261.68

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Solution

The fourth proportional to 20,798,415,110.77, 28,699,391,469.77 and 11,643,445,261.68 is: 16,066,598,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,415,110.77 : 28,699,391,469.77 = 11,643,445,261.68 : x
  2. Step 2: Convert to fraction form
    20,798,415,110.77/28,699,391,469.77 = 11,643,445,261.68/x
  3. Step 3: Cross multiply
    20,798,415,110.77x = 28,699,391,469.77 × 11,643,445,261.68
  4. Step 4: Simplify right side
    20,798,415,110.77x = 334,159,793,621,706,801,152
  5. Step 5: Solve for x
    x = 334,159,793,621,706,801,152/20,798,415,110.77
  6. Step 6: Final answer
    x = 16,066,598,913.53

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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.