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Finding the Fourth Proportional to 298,673,080.80, 448,009,621.20 and 268,062,079.20

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Solution

The fourth proportional to 298,673,080.80, 448,009,621.20 and 268,062,079.20 is: 402,093,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,673,080.80 : 448,009,621.20 = 268,062,079.20 : x
  2. Step 2: Convert to fraction form
    298,673,080.80/448,009,621.20 = 268,062,079.20/x
  3. Step 3: Cross multiply
    298,673,080.80x = 448,009,621.20 × 268,062,079.20
  4. Step 4: Simplify right side
    298,673,080.80x = 120,094,390,560,476,384
  5. Step 5: Solve for x
    x = 120,094,390,560,476,384/298,673,080.80
  6. Step 6: Final answer
    x = 402,093,118.80

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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.