Home / 15,939,620,327,122-21,996,697,263,988-8,631,768,673,800

Finding the Fourth Proportional to 15,939,620,327,122, 21,996,697,263,988 and 8,631,768,673,800

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Solution

The fourth proportional to 15,939,620,327,122, 21,996,697,263,988 and 8,631,768,673,800 is: 11,911,852,257,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939,620,327,122 : 21,996,697,263,988 = 8,631,768,673,800 : x
  2. Step 2: Convert to fraction form
    15,939,620,327,122/21,996,697,263,988 = 8,631,768,673,800/x
  3. Step 3: Cross multiply
    15,939,620,327,122x = 21,996,697,263,988 × 8,631,768,673,800
  4. Step 4: Simplify right side
    15,939,620,327,122x = 189,870,402,370,353,796,007,067,648
  5. Step 5: Solve for x
    x = 189,870,402,370,353,796,007,067,648/15,939,620,327,122
  6. Step 6: Final answer
    x = 11,911,852,257,062.89

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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.