Home / 825,218,010.30-1,237,827,015.45-743,588,672.70

Finding the Fourth Proportional to 825,218,010.30, 1,237,827,015.45 and 743,588,672.70

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Solution

The fourth proportional to 825,218,010.30, 1,237,827,015.45 and 743,588,672.70 is: 1,115,383,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,218,010.30 : 1,237,827,015.45 = 743,588,672.70 : x
  2. Step 2: Convert to fraction form
    825,218,010.30/1,237,827,015.45 = 743,588,672.70/x
  3. Step 3: Cross multiply
    825,218,010.30x = 1,237,827,015.45 × 743,588,672.70
  4. Step 4: Simplify right side
    825,218,010.30x = 920,434,147,450,668,032
  5. Step 5: Solve for x
    x = 920,434,147,450,668,032/825,218,010.30
  6. Step 6: Final answer
    x = 1,115,383,009.05

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1.5x scale

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.