Home / 458,470,092.80-687,705,139.20-228,887,580.80

Finding the Fourth Proportional to 458,470,092.80, 687,705,139.20 and 228,887,580.80

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Solution

The fourth proportional to 458,470,092.80, 687,705,139.20 and 228,887,580.80 is: 343,331,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,470,092.80 : 687,705,139.20 = 228,887,580.80 : x
  2. Step 2: Convert to fraction form
    458,470,092.80/687,705,139.20 = 228,887,580.80/x
  3. Step 3: Cross multiply
    458,470,092.80x = 687,705,139.20 × 228,887,580.80
  4. Step 4: Simplify right side
    458,470,092.80x = 157,407,165,615,215,264
  5. Step 5: Solve for x
    x = 157,407,165,615,215,264/458,470,092.80
  6. Step 6: Final answer
    x = 343,331,371.20

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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.