Home / 449,337,697.60-674,006,546.40-399,173,166.40

Finding the Fourth Proportional to 449,337,697.60, 674,006,546.40 and 399,173,166.40

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Solution

The fourth proportional to 449,337,697.60, 674,006,546.40 and 399,173,166.40 is: 598,759,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,337,697.60 : 674,006,546.40 = 399,173,166.40 : x
  2. Step 2: Convert to fraction form
    449,337,697.60/674,006,546.40 = 399,173,166.40/x
  3. Step 3: Cross multiply
    449,337,697.60x = 674,006,546.40 × 399,173,166.40
  4. Step 4: Simplify right side
    449,337,697.60x = 269,045,327,300,816,480
  5. Step 5: Solve for x
    x = 269,045,327,300,816,480/449,337,697.60
  6. Step 6: Final answer
    x = 598,759,749.60

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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.