Home / 299,089,783.20-448,634,674.80-169,647,376.80

Finding the Fourth Proportional to 299,089,783.20, 448,634,674.80 and 169,647,376.80

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Solution

The fourth proportional to 299,089,783.20, 448,634,674.80 and 169,647,376.80 is: 254,471,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,089,783.20 : 448,634,674.80 = 169,647,376.80 : x
  2. Step 2: Convert to fraction form
    299,089,783.20/448,634,674.80 = 169,647,376.80/x
  3. Step 3: Cross multiply
    299,089,783.20x = 448,634,674.80 × 169,647,376.80
  4. Step 4: Simplify right side
    299,089,783.20x = 76,109,695,721,341,072
  5. Step 5: Solve for x
    x = 76,109,695,721,341,072/299,089,783.20
  6. Step 6: Final answer
    x = 254,471,065.20

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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.