Home / 2,811,351,103.68-3,879,657,828.72-1,541,189,831.52

Finding the Fourth Proportional to 2,811,351,103.68, 3,879,657,828.72 and 1,541,189,831.52

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Solution

The fourth proportional to 2,811,351,103.68, 3,879,657,828.72 and 1,541,189,831.52 is: 2,126,838,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,351,103.68 : 3,879,657,828.72 = 1,541,189,831.52 : x
  2. Step 2: Convert to fraction form
    2,811,351,103.68/3,879,657,828.72 = 1,541,189,831.52/x
  3. Step 3: Cross multiply
    2,811,351,103.68x = 3,879,657,828.72 × 1,541,189,831.52
  4. Step 4: Simplify right side
    2,811,351,103.68x = 5,979,289,195,400,225,792
  5. Step 5: Solve for x
    x = 5,979,289,195,400,225,792/2,811,351,103.68
  6. Step 6: Final answer
    x = 2,126,838,297.63

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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.