Home / 2,720,621,556.78-3,754,052,810.19-1,531,119,586.42

Finding the Fourth Proportional to 2,720,621,556.78, 3,754,052,810.19 and 1,531,119,586.42

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Solution

The fourth proportional to 2,720,621,556.78, 3,754,052,810.19 and 1,531,119,586.42 is: 2,112,717,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,621,556.78 : 3,754,052,810.19 = 1,531,119,586.42 : x
  2. Step 2: Convert to fraction form
    2,720,621,556.78/3,754,052,810.19 = 1,531,119,586.42/x
  3. Step 3: Cross multiply
    2,720,621,556.78x = 3,754,052,810.19 × 1,531,119,586.42
  4. Step 4: Simplify right side
    2,720,621,556.78x = 5,747,903,786,136,951,808
  5. Step 5: Solve for x
    x = 5,747,903,786,136,951,808/2,720,621,556.78
  6. Step 6: Final answer
    x = 2,112,717,136.94

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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.