Home / 688,293,804.42-1,032,642,173.27-221,945,849.42

Finding the Fourth Proportional to 688,293,804.42, 1,032,642,173.27 and 221,945,849.42

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Solution

The fourth proportional to 688,293,804.42, 1,032,642,173.27 and 221,945,849.42 is: 332,983,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,293,804.42 : 1,032,642,173.27 = 221,945,849.42 : x
  2. Step 2: Convert to fraction form
    688,293,804.42/1,032,642,173.27 = 221,945,849.42/x
  3. Step 3: Cross multiply
    688,293,804.42x = 1,032,642,173.27 × 221,945,849.42
  4. Step 4: Simplify right side
    688,293,804.42x = 229,190,644,287,052,032
  5. Step 5: Solve for x
    x = 229,190,644,287,052,032/688,293,804.42
  6. Step 6: Final answer
    x = 332,983,738.65

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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.