Home / 286,277,254.65-395,079,525.39-215,588,149.02

Finding the Fourth Proportional to 286,277,254.65, 395,079,525.39 and 215,588,149.02

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Solution

The fourth proportional to 286,277,254.65, 395,079,525.39 and 215,588,149.02 is: 297,524,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,277,254.65 : 395,079,525.39 = 215,588,149.02 : x
  2. Step 2: Convert to fraction form
    286,277,254.65/395,079,525.39 = 215,588,149.02/x
  3. Step 3: Cross multiply
    286,277,254.65x = 395,079,525.39 × 215,588,149.02
  4. Step 4: Simplify right side
    286,277,254.65x = 85,174,463,594,530,192
  5. Step 5: Solve for x
    x = 85,174,463,594,530,192/286,277,254.65
  6. Step 6: Final answer
    x = 297,524,383.13

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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.