Home / 39,394,169,957.05-59,094,887,539.74-12,864,825,555.28

Finding the Fourth Proportional to 39,394,169,957.05, 59,094,887,539.74 and 12,864,825,555.28

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Solution

The fourth proportional to 39,394,169,957.05, 59,094,887,539.74 and 12,864,825,555.28 is: 19,298,424,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,394,169,957.05 : 59,094,887,539.74 = 12,864,825,555.28 : x
  2. Step 2: Convert to fraction form
    39,394,169,957.05/59,094,887,539.74 = 12,864,825,555.28/x
  3. Step 3: Cross multiply
    39,394,169,957.05x = 59,094,887,539.74 × 12,864,825,555.28
  4. Step 4: Simplify right side
    39,394,169,957.05x = 760,245,419,407,644,819,456
  5. Step 5: Solve for x
    x = 760,245,419,407,644,819,456/39,394,169,957.05
  6. Step 6: Final answer
    x = 19,298,424,620.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.