Home / 387,148,869.37-580,722,776.90-179,773,883.46

Finding the Fourth Proportional to 387,148,869.37, 580,722,776.90 and 179,773,883.46

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Solution

The fourth proportional to 387,148,869.37, 580,722,776.90 and 179,773,883.46 is: 269,660,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,148,869.37 : 580,722,776.90 = 179,773,883.46 : x
  2. Step 2: Convert to fraction form
    387,148,869.37/580,722,776.90 = 179,773,883.46/x
  3. Step 3: Cross multiply
    387,148,869.37x = 580,722,776.90 × 179,773,883.46
  4. Step 4: Simplify right side
    387,148,869.37x = 104,398,788,816,763,456
  5. Step 5: Solve for x
    x = 104,398,788,816,763,456/387,148,869.37
  6. Step 6: Final answer
    x = 269,660,580.40

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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.