Home / 348,055,705.34-480,320,090.43-189,287,338.04

Finding the Fourth Proportional to 348,055,705.34, 480,320,090.43 and 189,287,338.04

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Solution

The fourth proportional to 348,055,705.34, 480,320,090.43 and 189,287,338.04 is: 261,218,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,055,705.34 : 480,320,090.43 = 189,287,338.04 : x
  2. Step 2: Convert to fraction form
    348,055,705.34/480,320,090.43 = 189,287,338.04/x
  3. Step 3: Cross multiply
    348,055,705.34x = 480,320,090.43 × 189,287,338.04
  4. Step 4: Simplify right side
    348,055,705.34x = 90,918,511,324,626,784
  5. Step 5: Solve for x
    x = 90,918,511,324,626,784/348,055,705.34
  6. Step 6: Final answer
    x = 261,218,276.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.