Home / 3,119,551,668.72-4,305,443,349.24-1,975,224,136.56

Finding the Fourth Proportional to 3,119,551,668.72, 4,305,443,349.24 and 1,975,224,136.56

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Solution

The fourth proportional to 3,119,551,668.72, 4,305,443,349.24 and 1,975,224,136.56 is: 2,726,101,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,551,668.72 : 4,305,443,349.24 = 1,975,224,136.56 : x
  2. Step 2: Convert to fraction form
    3,119,551,668.72/4,305,443,349.24 = 1,975,224,136.56/x
  3. Step 3: Cross multiply
    3,119,551,668.72x = 4,305,443,349.24 × 1,975,224,136.56
  4. Step 4: Simplify right side
    3,119,551,668.72x = 8,504,215,622,010,572,800
  5. Step 5: Solve for x
    x = 8,504,215,622,010,572,800/3,119,551,668.72
  6. Step 6: Final answer
    x = 2,726,101,864.98

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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.