Home / 695,481,443.20-1,043,222,164.80-210,744,265.60

Finding the Fourth Proportional to 695,481,443.20, 1,043,222,164.80 and 210,744,265.60

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Solution

The fourth proportional to 695,481,443.20, 1,043,222,164.80 and 210,744,265.60 is: 316,116,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,481,443.20 : 1,043,222,164.80 = 210,744,265.60 : x
  2. Step 2: Convert to fraction form
    695,481,443.20/1,043,222,164.80 = 210,744,265.60/x
  3. Step 3: Cross multiply
    695,481,443.20x = 1,043,222,164.80 × 210,744,265.60
  4. Step 4: Simplify right side
    695,481,443.20x = 219,853,088,978,418,144
  5. Step 5: Solve for x
    x = 219,853,088,978,418,144/695,481,443.20
  6. Step 6: Final answer
    x = 316,116,398.40

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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.