Home / 12,556,944,009.20-18,832,014,791.40-3,713,765,769.20

Finding the Fourth Proportional to 12,556,944,009.20, 18,832,014,791.40 and 3,713,765,769.20

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Solution

The fourth proportional to 12,556,944,009.20, 18,832,014,791.40 and 3,713,765,769.20 is: 5,569,642,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556,944,009.20 : 18,832,014,791.40 = 3,713,765,769.20 : x
  2. Step 2: Convert to fraction form
    12,556,944,009.20/18,832,014,791.40 = 3,713,765,769.20/x
  3. Step 3: Cross multiply
    12,556,944,009.20x = 18,832,014,791.40 × 3,713,765,769.20
  4. Step 4: Simplify right side
    12,556,944,009.20x = 69,937,691,897,369,403,392
  5. Step 5: Solve for x
    x = 69,937,691,897,369,403,392/12,556,944,009.20
  6. Step 6: Final answer
    x = 5,569,642,728.85

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1.5x scale

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.