Home / 28,605,825,143.86-39,475,725,418.66-15,745,190,134.94

Finding the Fourth Proportional to 28,605,825,143.86, 39,475,725,418.66 and 15,745,190,134.94

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Solution

The fourth proportional to 28,605,825,143.86, 39,475,725,418.66 and 15,745,190,134.94 is: 21,728,189,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605,825,143.86 : 39,475,725,418.66 = 15,745,190,134.94 : x
  2. Step 2: Convert to fraction form
    28,605,825,143.86/39,475,725,418.66 = 15,745,190,134.94/x
  3. Step 3: Cross multiply
    28,605,825,143.86x = 39,475,725,418.66 × 15,745,190,134.94
  4. Step 4: Simplify right side
    28,605,825,143.86x = 621,552,802,431,485,739,008
  5. Step 5: Solve for x
    x = 621,552,802,431,485,739,008/28,605,825,143.86
  6. Step 6: Final answer
    x = 21,728,189,951.02

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1.5x scale

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.