Home / 299,559,941.70-449,339,912.55-251,187,000.90

Finding the Fourth Proportional to 299,559,941.70, 449,339,912.55 and 251,187,000.90

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Solution

The fourth proportional to 299,559,941.70, 449,339,912.55 and 251,187,000.90 is: 376,780,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,941.70 : 449,339,912.55 = 251,187,000.90 : x
  2. Step 2: Convert to fraction form
    299,559,941.70/449,339,912.55 = 251,187,000.90/x
  3. Step 3: Cross multiply
    299,559,941.70x = 449,339,912.55 × 251,187,000.90
  4. Step 4: Simplify right side
    299,559,941.70x = 112,868,345,018,102,784
  5. Step 5: Solve for x
    x = 112,868,345,018,102,784/299,559,941.70
  6. Step 6: Final answer
    x = 376,780,501.35

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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.