Home / 28,086,772,305.82-42,125,673,759.45-8,185,004,485.92

Finding the Fourth Proportional to 28,086,772,305.82, 42,125,673,759.45 and 8,185,004,485.92

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Solution

The fourth proportional to 28,086,772,305.82, 42,125,673,759.45 and 8,185,004,485.92 is: 12,276,199,804.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086,772,305.82 : 42,125,673,759.45 = 8,185,004,485.92 : x
  2. Step 2: Convert to fraction form
    28,086,772,305.82/42,125,673,759.45 = 8,185,004,485.92/x
  3. Step 3: Cross multiply
    28,086,772,305.82x = 42,125,673,759.45 × 8,185,004,485.92
  4. Step 4: Simplify right side
    28,086,772,305.82x = 344,798,828,693,476,147,200
  5. Step 5: Solve for x
    x = 344,798,828,693,476,147,200/28,086,772,305.82
  6. Step 6: Final answer
    x = 12,276,199,804.63

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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.