Home / 40,172,002,784.78-55,437,372,891.89-22,107,518,996.54

Finding the Fourth Proportional to 40,172,002,784.78, 55,437,372,891.89 and 22,107,518,996.54

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Solution

The fourth proportional to 40,172,002,784.78, 55,437,372,891.89 and 22,107,518,996.54 is: 30,508,381,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172,002,784.78 : 55,437,372,891.89 = 22,107,518,996.54 : x
  2. Step 2: Convert to fraction form
    40,172,002,784.78/55,437,372,891.89 = 22,107,518,996.54/x
  3. Step 3: Cross multiply
    40,172,002,784.78x = 55,437,372,891.89 × 22,107,518,996.54
  4. Step 4: Simplify right side
    40,172,002,784.78x = 1,225,582,774,325,796,405,248
  5. Step 5: Solve for x
    x = 1,225,582,774,325,796,405,248/40,172,002,784.78
  6. Step 6: Final answer
    x = 30,508,381,195.03

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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.