Home / 21,764,972,454.24-30,032,422,481.52-12,248,956,691.36

Finding the Fourth Proportional to 21,764,972,454.24, 30,032,422,481.52 and 12,248,956,691.36

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Solution

The fourth proportional to 21,764,972,454.24, 30,032,422,481.52 and 12,248,956,691.36 is: 16,901,737,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764,972,454.24 : 30,032,422,481.52 = 12,248,956,691.36 : x
  2. Step 2: Convert to fraction form
    21,764,972,454.24/30,032,422,481.52 = 12,248,956,691.36/x
  3. Step 3: Cross multiply
    21,764,972,454.24x = 30,032,422,481.52 × 12,248,956,691.36
  4. Step 4: Simplify right side
    21,764,972,454.24x = 367,865,842,312,764,915,712
  5. Step 5: Solve for x
    x = 367,865,842,312,764,915,712/21,764,972,454.24
  6. Step 6: Final answer
    x = 16,901,737,095.52

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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.