Home / 723,666,698,471.82-1,085,246,347,810.80-213,589,366,929.12

Finding the Fourth Proportional to 723,666,698,471.82, 1,085,246,347,810.80 and 213,589,366,929.12

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Solution

The fourth proportional to 723,666,698,471.82, 1,085,246,347,810.80 and 213,589,366,929.12 is: 320,309,171,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,666,698,471.82 : 1,085,246,347,810.80 = 213,589,366,929.12 : x
  2. Step 2: Convert to fraction form
    723,666,698,471.82/1,085,246,347,810.80 = 213,589,366,929.12/x
  3. Step 3: Cross multiply
    723,666,698,471.82x = 1,085,246,347,810.80 × 213,589,366,929.12
  4. Step 4: Simplify right side
    723,666,698,471.82x = 231,797,080,391,048,337,817,600
  5. Step 5: Solve for x
    x = 231,797,080,391,048,337,817,600/723,666,698,471.82
  6. Step 6: Final answer
    x = 320,309,171,170.29

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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.