Home / 358,544,516.40-494,816,771.60-199,785,178.16

Finding the Fourth Proportional to 358,544,516.40, 494,816,771.60 and 199,785,178.16

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Solution

The fourth proportional to 358,544,516.40, 494,816,771.60 and 199,785,178.16 is: 275,717,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,544,516.40 : 494,816,771.60 = 199,785,178.16 : x
  2. Step 2: Convert to fraction form
    358,544,516.40/494,816,771.60 = 199,785,178.16/x
  3. Step 3: Cross multiply
    358,544,516.40x = 494,816,771.60 × 199,785,178.16
  4. Step 4: Simplify right side
    358,544,516.40x = 98,857,056,870,662,032
  5. Step 5: Solve for x
    x = 98,857,056,870,662,032/358,544,516.40
  6. Step 6: Final answer
    x = 275,717,665.03

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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.