Home / 15,213,892,633,407-20,994,019,622,786-8,538,264,875,967.30

Finding the Fourth Proportional to 15,213,892,633,407, 20,994,019,622,786 and 8,538,264,875,967.30

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Solution

The fourth proportional to 15,213,892,633,407, 20,994,019,622,786 and 8,538,264,875,967.30 is: 11,782,158,890,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213,892,633,407 : 20,994,019,622,786 = 8,538,264,875,967.30 : x
  2. Step 2: Convert to fraction form
    15,213,892,633,407/20,994,019,622,786 = 8,538,264,875,967.30/x
  3. Step 3: Cross multiply
    15,213,892,633,407x = 20,994,019,622,786 × 8,538,264,875,967.30
  4. Step 4: Simplify right side
    15,213,892,633,407x = 179,252,500,350,601,952,833,306,624
  5. Step 5: Solve for x
    x = 179,252,500,350,601,952,833,306,624/15,213,892,633,407
  6. Step 6: Final answer
    x = 11,782,158,890,552.14

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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.