Home / 2,198,915,014.72-3,299,946,177.84-799,896,582.16

Finding the Fourth Proportional to 2,198,915,014.72, 3,299,946,177.84 and 799,896,582.16

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Solution

The fourth proportional to 2,198,915,014.72, 3,299,946,177.84 and 799,896,582.16 is: 1,200,417,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,915,014.72 : 3,299,946,177.84 = 799,896,582.16 : x
  2. Step 2: Convert to fraction form
    2,198,915,014.72/3,299,946,177.84 = 799,896,582.16/x
  3. Step 3: Cross multiply
    2,198,915,014.72x = 3,299,946,177.84 × 799,896,582.16
  4. Step 4: Simplify right side
    2,198,915,014.72x = 2,639,615,668,966,171,648
  5. Step 5: Solve for x
    x = 2,639,615,668,966,171,648/2,198,915,014.72
  6. Step 6: Final answer
    x = 1,200,417,320.04

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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.