Home / 393,714,581.88-590,017,402.60-301,240,305

Finding the Fourth Proportional to 393,714,581.88, 590,017,402.60 and 301,240,305

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Solution

The fourth proportional to 393,714,581.88, 590,017,402.60 and 301,240,305 is: 451,436,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,714,581.88 : 590,017,402.60 = 301,240,305 : x
  2. Step 2: Convert to fraction form
    393,714,581.88/590,017,402.60 = 301,240,305/x
  3. Step 3: Cross multiply
    393,714,581.88x = 590,017,402.60 × 301,240,305
  4. Step 4: Simplify right side
    393,714,581.88x = 177,737,022,314,531,808
  5. Step 5: Solve for x
    x = 177,737,022,314,531,808/393,714,581.88
  6. Step 6: Final answer
    x = 451,436,219.27

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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.