Home / 299,384,021.80-449,076,032.70-276,989,141.80

Finding the Fourth Proportional to 299,384,021.80, 449,076,032.70 and 276,989,141.80

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Solution

The fourth proportional to 299,384,021.80, 449,076,032.70 and 276,989,141.80 is: 415,483,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,384,021.80 : 449,076,032.70 = 276,989,141.80 : x
  2. Step 2: Convert to fraction form
    299,384,021.80/449,076,032.70 = 276,989,141.80/x
  3. Step 3: Cross multiply
    299,384,021.80x = 449,076,032.70 × 276,989,141.80
  4. Step 4: Simplify right side
    299,384,021.80x = 124,389,184,900,521,744
  5. Step 5: Solve for x
    x = 124,389,184,900,521,744/299,384,021.80
  6. Step 6: Final answer
    x = 415,483,712.70

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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.