Home / 1,691,425,538.88-2,335,167,977.12-1,065,430,556.48

Finding the Fourth Proportional to 1,691,425,538.88, 2,335,167,977.12 and 1,065,430,556.48

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Solution

The fourth proportional to 1,691,425,538.88, 2,335,167,977.12 and 1,065,430,556.48 is: 1,470,924,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,425,538.88 : 2,335,167,977.12 = 1,065,430,556.48 : x
  2. Step 2: Convert to fraction form
    1,691,425,538.88/2,335,167,977.12 = 1,065,430,556.48/x
  3. Step 3: Cross multiply
    1,691,425,538.88x = 2,335,167,977.12 × 1,065,430,556.48
  4. Step 4: Simplify right side
    1,691,425,538.88x = 2,487,959,317,337,237,504
  5. Step 5: Solve for x
    x = 2,487,959,317,337,237,504/1,691,425,538.88
  6. Step 6: Final answer
    x = 1,470,924,530.90

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Double scale
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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.