Home / 20,017,846,707.34-27,622,802,563.78-11,878,247,340.67

Finding the Fourth Proportional to 20,017,846,707.34, 27,622,802,563.78 and 11,878,247,340.67

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Solution

The fourth proportional to 20,017,846,707.34, 27,622,802,563.78 and 11,878,247,340.67 is: 16,390,897,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017,846,707.34 : 27,622,802,563.78 = 11,878,247,340.67 : x
  2. Step 2: Convert to fraction form
    20,017,846,707.34/27,622,802,563.78 = 11,878,247,340.67/x
  3. Step 3: Cross multiply
    20,017,846,707.34x = 27,622,802,563.78 × 11,878,247,340.67
  4. Step 4: Simplify right side
    20,017,846,707.34x = 328,110,481,095,072,219,136
  5. Step 5: Solve for x
    x = 328,110,481,095,072,219,136/20,017,846,707.34
  6. Step 6: Final answer
    x = 16,390,897,876.88

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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.