Home / 437,449,410-603,395,739.18-280,568,026.80

Finding the Fourth Proportional to 437,449,410, 603,395,739.18 and 280,568,026.80

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Solution

The fourth proportional to 437,449,410, 603,395,739.18 and 280,568,026.80 is: 387,001,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,449,410 : 603,395,739.18 = 280,568,026.80 : x
  2. Step 2: Convert to fraction form
    437,449,410/603,395,739.18 = 280,568,026.80/x
  3. Step 3: Cross multiply
    437,449,410x = 603,395,739.18 × 280,568,026.80
  4. Step 4: Simplify right side
    437,449,410x = 169,293,551,921,260,032
  5. Step 5: Solve for x
    x = 169,293,551,921,260,032/437,449,410
  6. Step 6: Final answer
    x = 387,001,440.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.