Home / 672,192,875.20-1,008,289,312.80-161,589,611.20

Finding the Fourth Proportional to 672,192,875.20, 1,008,289,312.80 and 161,589,611.20

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Solution

The fourth proportional to 672,192,875.20, 1,008,289,312.80 and 161,589,611.20 is: 242,384,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,192,875.20 : 1,008,289,312.80 = 161,589,611.20 : x
  2. Step 2: Convert to fraction form
    672,192,875.20/1,008,289,312.80 = 161,589,611.20/x
  3. Step 3: Cross multiply
    672,192,875.20x = 1,008,289,312.80 × 161,589,611.20
  4. Step 4: Simplify right side
    672,192,875.20x = 162,929,078,032,467,168
  5. Step 5: Solve for x
    x = 162,929,078,032,467,168/672,192,875.20
  6. Step 6: Final answer
    x = 242,384,416.80

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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.