Home / 387,122,531.01-534,293,162.63-228,391,460.66

Finding the Fourth Proportional to 387,122,531.01, 534,293,162.63 and 228,391,460.66

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Solution

The fourth proportional to 387,122,531.01, 534,293,162.63 and 228,391,460.66 is: 315,218,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,122,531.01 : 534,293,162.63 = 228,391,460.66 : x
  2. Step 2: Convert to fraction form
    387,122,531.01/534,293,162.63 = 228,391,460.66/x
  3. Step 3: Cross multiply
    387,122,531.01x = 534,293,162.63 × 228,391,460.66
  4. Step 4: Simplify right side
    387,122,531.01x = 122,027,995,836,052,704
  5. Step 5: Solve for x
    x = 122,027,995,836,052,704/387,122,531.01
  6. Step 6: Final answer
    x = 315,218,015.13

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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.