Home / 1,227,112,490,311.60-1,693,467,534,739.10-685,789,196,113.05

Finding the Fourth Proportional to 1,227,112,490,311.60, 1,693,467,534,739.10 and 685,789,196,113.05

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Solution

The fourth proportional to 1,227,112,490,311.60, 1,693,467,534,739.10 and 685,789,196,113.05 is: 946,418,318,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,112,490,311.60 : 1,693,467,534,739.10 = 685,789,196,113.05 : x
  2. Step 2: Convert to fraction form
    1,227,112,490,311.60/1,693,467,534,739.10 = 685,789,196,113.05/x
  3. Step 3: Cross multiply
    1,227,112,490,311.60x = 1,693,467,534,739.10 × 685,789,196,113.05
  4. Step 4: Simplify right side
    1,227,112,490,311.60x = 1,161,361,739,292,276,137,394,176
  5. Step 5: Solve for x
    x = 1,161,361,739,292,276,137,394,176/1,227,112,490,311.60
  6. Step 6: Final answer
    x = 946,418,318,175.03

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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.