Home / 272,312,263,996.02-409,088,270,059.47-196,997,720,817.78

Finding the Fourth Proportional to 272,312,263,996.02, 409,088,270,059.47 and 196,997,720,817.78

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Solution

The fourth proportional to 272,312,263,996.02, 409,088,270,059.47 and 196,997,720,817.78 is: 295,945,014,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,312,263,996.02 : 409,088,270,059.47 = 196,997,720,817.78 : x
  2. Step 2: Convert to fraction form
    272,312,263,996.02/409,088,270,059.47 = 196,997,720,817.78/x
  3. Step 3: Cross multiply
    272,312,263,996.02x = 409,088,270,059.47 × 196,997,720,817.78
  4. Step 4: Simplify right side
    272,312,263,996.02x = 80,589,456,815,004,057,600,000
  5. Step 5: Solve for x
    x = 80,589,456,815,004,057,600,000/272,312,263,996.02
  6. Step 6: Final answer
    x = 295,945,014,126.07

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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.