Home / 337,004,971.20-505,507,456.80-299,381,572.80

Finding the Fourth Proportional to 337,004,971.20, 505,507,456.80 and 299,381,572.80

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Solution

The fourth proportional to 337,004,971.20, 505,507,456.80 and 299,381,572.80 is: 449,072,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,004,971.20 : 505,507,456.80 = 299,381,572.80 : x
  2. Step 2: Convert to fraction form
    337,004,971.20/505,507,456.80 = 299,381,572.80/x
  3. Step 3: Cross multiply
    337,004,971.20x = 505,507,456.80 × 299,381,572.80
  4. Step 4: Simplify right side
    337,004,971.20x = 151,339,617,478,912,064
  5. Step 5: Solve for x
    x = 151,339,617,478,912,064/337,004,971.20
  6. Step 6: Final answer
    x = 449,072,359.20

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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.