Home / 387,086,552.40-580,629,828.60-144,717,963.60

Finding the Fourth Proportional to 387,086,552.40, 580,629,828.60 and 144,717,963.60

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Solution

The fourth proportional to 387,086,552.40, 580,629,828.60 and 144,717,963.60 is: 217,076,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,086,552.40 : 580,629,828.60 = 144,717,963.60 : x
  2. Step 2: Convert to fraction form
    387,086,552.40/580,629,828.60 = 144,717,963.60/x
  3. Step 3: Cross multiply
    387,086,552.40x = 580,629,828.60 × 144,717,963.60
  4. Step 4: Simplify right side
    387,086,552.40x = 84,027,566,400,409,040
  5. Step 5: Solve for x
    x = 84,027,566,400,409,040/387,086,552.40
  6. Step 6: Final answer
    x = 217,076,945.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.