Home / 489,520,014.30-734,067,445.04-161,868,923.10

Finding the Fourth Proportional to 489,520,014.30, 734,067,445.04 and 161,868,923.10

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Solution

The fourth proportional to 489,520,014.30, 734,067,445.04 and 161,868,923.10 is: 242,733,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,520,014.30 : 734,067,445.04 = 161,868,923.10 : x
  2. Step 2: Convert to fraction form
    489,520,014.30/734,067,445.04 = 161,868,923.10/x
  3. Step 3: Cross multiply
    489,520,014.30x = 734,067,445.04 × 161,868,923.10
  4. Step 4: Simplify right side
    489,520,014.30x = 118,822,706,811,393,232
  5. Step 5: Solve for x
    x = 118,822,706,811,393,232/489,520,014.30
  6. Step 6: Final answer
    x = 242,733,092.30

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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.