Home / 27,379,109,012.27-37,783,392,280.92-15,172,018,034.74

Finding the Fourth Proportional to 27,379,109,012.27, 37,783,392,280.92 and 15,172,018,034.74

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Solution

The fourth proportional to 27,379,109,012.27, 37,783,392,280.92 and 15,172,018,034.74 is: 20,937,507,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379,109,012.27 : 37,783,392,280.92 = 15,172,018,034.74 : x
  2. Step 2: Convert to fraction form
    27,379,109,012.27/37,783,392,280.92 = 15,172,018,034.74/x
  3. Step 3: Cross multiply
    27,379,109,012.27x = 37,783,392,280.92 × 15,172,018,034.74
  4. Step 4: Simplify right side
    27,379,109,012.27x = 573,250,309,099,509,579,776
  5. Step 5: Solve for x
    x = 573,250,309,099,509,579,776/27,379,109,012.27
  6. Step 6: Final answer
    x = 20,937,507,821.85

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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.