Home / 299,451,330.90-448,421,169.15-196,658,831.70

Finding the Fourth Proportional to 299,451,330.90, 448,421,169.15 and 196,658,831.70

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Solution

The fourth proportional to 299,451,330.90, 448,421,169.15 and 196,658,831.70 is: 294,491,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,451,330.90 : 448,421,169.15 = 196,658,831.70 : x
  2. Step 2: Convert to fraction form
    299,451,330.90/448,421,169.15 = 196,658,831.70/x
  3. Step 3: Cross multiply
    299,451,330.90x = 448,421,169.15 × 196,658,831.70
  4. Step 4: Simplify right side
    299,451,330.90x = 88,185,983,234,587,072
  5. Step 5: Solve for x
    x = 88,185,983,234,587,072/299,451,330.90
  6. Step 6: Final answer
    x = 294,491,872.75

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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.