Home / 449,109,147.36-672,969,339.36-350,507,061.12

Finding the Fourth Proportional to 449,109,147.36, 672,969,339.36 and 350,507,061.12

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Solution

The fourth proportional to 449,109,147.36, 672,969,339.36 and 350,507,061.12 is: 525,218,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,109,147.36 : 672,969,339.36 = 350,507,061.12 : x
  2. Step 2: Convert to fraction form
    449,109,147.36/672,969,339.36 = 350,507,061.12/x
  3. Step 3: Cross multiply
    449,109,147.36x = 672,969,339.36 × 350,507,061.12
  4. Step 4: Simplify right side
    449,109,147.36x = 235,880,505,362,941,536
  5. Step 5: Solve for x
    x = 235,880,505,362,941,536/449,109,147.36
  6. Step 6: Final answer
    x = 525,218,661.77

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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.