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Finding the Fourth Proportional to 298,906,239.80, 448,359,359.70 and 264,894,015.80

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Solution

The fourth proportional to 298,906,239.80, 448,359,359.70 and 264,894,015.80 is: 397,341,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,906,239.80 : 448,359,359.70 = 264,894,015.80 : x
  2. Step 2: Convert to fraction form
    298,906,239.80/448,359,359.70 = 264,894,015.80/x
  3. Step 3: Cross multiply
    298,906,239.80x = 448,359,359.70 × 264,894,015.80
  4. Step 4: Simplify right side
    298,906,239.80x = 118,767,711,312,449,680
  5. Step 5: Solve for x
    x = 118,767,711,312,449,680/298,906,239.80
  6. Step 6: Final answer
    x = 397,341,023.70

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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.