Home / 39,856,150,273.17-55,001,492,040.43-21,791,678,722.03

Finding the Fourth Proportional to 39,856,150,273.17, 55,001,492,040.43 and 21,791,678,722.03

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Solution

The fourth proportional to 39,856,150,273.17, 55,001,492,040.43 and 21,791,678,722.03 is: 30,072,519,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,150,273.17 : 55,001,492,040.43 = 21,791,678,722.03 : x
  2. Step 2: Convert to fraction form
    39,856,150,273.17/55,001,492,040.43 = 21,791,678,722.03/x
  3. Step 3: Cross multiply
    39,856,150,273.17x = 55,001,492,040.43 × 21,791,678,722.03
  4. Step 4: Simplify right side
    39,856,150,273.17x = 1,198,574,843,777,340,669,952
  5. Step 5: Solve for x
    x = 1,198,574,843,777,340,669,952/39,856,150,273.17
  6. Step 6: Final answer
    x = 30,072,519,186.18

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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.