Home / 684,245,249.16-945,037,846.26-463,846,037.64

Finding the Fourth Proportional to 684,245,249.16, 945,037,846.26 and 463,846,037.64

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Solution

The fourth proportional to 684,245,249.16, 945,037,846.26 and 463,846,037.64 is: 640,635,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,245,249.16 : 945,037,846.26 = 463,846,037.64 : x
  2. Step 2: Convert to fraction form
    684,245,249.16/945,037,846.26 = 463,846,037.64/x
  3. Step 3: Cross multiply
    684,245,249.16x = 945,037,846.26 × 463,846,037.64
  4. Step 4: Simplify right side
    684,245,249.16x = 438,352,060,407,540,480
  5. Step 5: Solve for x
    x = 438,352,060,407,540,480/684,245,249.16
  6. Step 6: Final answer
    x = 640,635,884.50

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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.