Home / 375,442,614.60-518,111,924.19-208,190,658.51

Finding the Fourth Proportional to 375,442,614.60, 518,111,924.19 and 208,190,658.51

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Solution

The fourth proportional to 375,442,614.60, 518,111,924.19 and 208,190,658.51 is: 287,303,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,442,614.60 : 518,111,924.19 = 208,190,658.51 : x
  2. Step 2: Convert to fraction form
    375,442,614.60/518,111,924.19 = 208,190,658.51/x
  3. Step 3: Cross multiply
    375,442,614.60x = 518,111,924.19 × 208,190,658.51
  4. Step 4: Simplify right side
    375,442,614.60x = 107,866,062,678,999,296
  5. Step 5: Solve for x
    x = 107,866,062,678,999,296/375,442,614.60
  6. Step 6: Final answer
    x = 287,303,727.61

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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.