Home / 331,776,271.60-497,664,407.40-161,906,959.60

Finding the Fourth Proportional to 331,776,271.60, 497,664,407.40 and 161,906,959.60

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Solution

The fourth proportional to 331,776,271.60, 497,664,407.40 and 161,906,959.60 is: 242,860,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,271.60 : 497,664,407.40 = 161,906,959.60 : x
  2. Step 2: Convert to fraction form
    331,776,271.60/497,664,407.40 = 161,906,959.60/x
  3. Step 3: Cross multiply
    331,776,271.60x = 497,664,407.40 × 161,906,959.60
  4. Step 4: Simplify right side
    331,776,271.60x = 80,575,331,103,269,728
  5. Step 5: Solve for x
    x = 80,575,331,103,269,728/331,776,271.60
  6. Step 6: Final answer
    x = 242,860,439.40

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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.