Home / 621,108,002.40-931,662,003.60-184,476,076.80

Finding the Fourth Proportional to 621,108,002.40, 931,662,003.60 and 184,476,076.80

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Solution

The fourth proportional to 621,108,002.40, 931,662,003.60 and 184,476,076.80 is: 276,714,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,108,002.40 : 931,662,003.60 = 184,476,076.80 : x
  2. Step 2: Convert to fraction form
    621,108,002.40/931,662,003.60 = 184,476,076.80/x
  3. Step 3: Cross multiply
    621,108,002.40x = 931,662,003.60 × 184,476,076.80
  4. Step 4: Simplify right side
    621,108,002.40x = 171,869,351,327,755,488
  5. Step 5: Solve for x
    x = 171,869,351,327,755,488/621,108,002.40
  6. Step 6: Final answer
    x = 276,714,115.20

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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.