Home / 1,227,205,472.44-1,693,548,723.86-691,363,566.52

Finding the Fourth Proportional to 1,227,205,472.44, 1,693,548,723.86 and 691,363,566.52

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Solution

The fourth proportional to 1,227,205,472.44, 1,693,548,723.86 and 691,363,566.52 is: 954,084,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,205,472.44 : 1,693,548,723.86 = 691,363,566.52 : x
  2. Step 2: Convert to fraction form
    1,227,205,472.44/1,693,548,723.86 = 691,363,566.52/x
  3. Step 3: Cross multiply
    1,227,205,472.44x = 1,693,548,723.86 × 691,363,566.52
  4. Step 4: Simplify right side
    1,227,205,472.44x = 1,170,857,885,803,244,032
  5. Step 5: Solve for x
    x = 1,170,857,885,803,244,032/1,227,205,472.44
  6. Step 6: Final answer
    x = 954,084,635.46

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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.