Home / 15,213,892,633,405-20,994,019,622,783-8,538,264,875,965.30

Finding the Fourth Proportional to 15,213,892,633,405, 20,994,019,622,783 and 8,538,264,875,965.30

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Solution

The fourth proportional to 15,213,892,633,405, 20,994,019,622,783 and 8,538,264,875,965.30 is: 11,782,158,890,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213,892,633,405 : 20,994,019,622,783 = 8,538,264,875,965.30 : x
  2. Step 2: Convert to fraction form
    15,213,892,633,405/20,994,019,622,783 = 8,538,264,875,965.30/x
  3. Step 3: Cross multiply
    15,213,892,633,405x = 20,994,019,622,783 × 8,538,264,875,965.30
  4. Step 4: Simplify right side
    15,213,892,633,405x = 179,252,500,350,534,367,227,936,768
  5. Step 5: Solve for x
    x = 179,252,500,350,534,367,227,936,768/15,213,892,633,405
  6. Step 6: Final answer
    x = 11,782,158,890,549.24

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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.