Home / 448,272,004.80-672,408,007.20-157,467,489.60

Finding the Fourth Proportional to 448,272,004.80, 672,408,007.20 and 157,467,489.60

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Solution

The fourth proportional to 448,272,004.80, 672,408,007.20 and 157,467,489.60 is: 236,201,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,272,004.80 : 672,408,007.20 = 157,467,489.60 : x
  2. Step 2: Convert to fraction form
    448,272,004.80/672,408,007.20 = 157,467,489.60/x
  3. Step 3: Cross multiply
    448,272,004.80x = 672,408,007.20 × 157,467,489.60
  4. Step 4: Simplify right side
    448,272,004.80x = 105,882,400,880,722,736
  5. Step 5: Solve for x
    x = 105,882,400,880,722,736/448,272,004.80
  6. Step 6: Final answer
    x = 236,201,234.40

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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.