Home / 589,061,785.44-812,932,942.32-328,303,267.68

Finding the Fourth Proportional to 589,061,785.44, 812,932,942.32 and 328,303,267.68

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Solution

The fourth proportional to 589,061,785.44, 812,932,942.32 and 328,303,267.68 is: 453,073,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,061,785.44 : 812,932,942.32 = 328,303,267.68 : x
  2. Step 2: Convert to fraction form
    589,061,785.44/812,932,942.32 = 328,303,267.68/x
  3. Step 3: Cross multiply
    589,061,785.44x = 812,932,942.32 × 328,303,267.68
  4. Step 4: Simplify right side
    589,061,785.44x = 266,888,541,368,372,992
  5. Step 5: Solve for x
    x = 266,888,541,368,372,992/589,061,785.44
  6. Step 6: Final answer
    x = 453,073,935.48

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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.