Home / 412,972,101.84-570,021,846.84-269,938,642.80

Finding the Fourth Proportional to 412,972,101.84, 570,021,846.84 and 269,938,642.80

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Solution

The fourth proportional to 412,972,101.84, 570,021,846.84 and 269,938,642.80 is: 372,593,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,972,101.84 : 570,021,846.84 = 269,938,642.80 : x
  2. Step 2: Convert to fraction form
    412,972,101.84/570,021,846.84 = 269,938,642.80/x
  3. Step 3: Cross multiply
    412,972,101.84x = 570,021,846.84 × 269,938,642.80
  4. Step 4: Simplify right side
    412,972,101.84x = 153,870,923,702,339,072
  5. Step 5: Solve for x
    x = 153,870,923,702,339,072/412,972,101.84
  6. Step 6: Final answer
    x = 372,593,991.26

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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.