Home / 394,081,841.60-590,114,992.80-291,289,342.40

Finding the Fourth Proportional to 394,081,841.60, 590,114,992.80 and 291,289,342.40

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Solution

The fourth proportional to 394,081,841.60, 590,114,992.80 and 291,289,342.40 is: 436,189,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,081,841.60 : 590,114,992.80 = 291,289,342.40 : x
  2. Step 2: Convert to fraction form
    394,081,841.60/590,114,992.80 = 291,289,342.40/x
  3. Step 3: Cross multiply
    394,081,841.60x = 590,114,992.80 × 291,289,342.40
  4. Step 4: Simplify right side
    394,081,841.60x = 171,894,208,193,092,704
  5. Step 5: Solve for x
    x = 171,894,208,193,092,704/394,081,841.60
  6. Step 6: Final answer
    x = 436,189,111.11

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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.