Home / 399,395,633.80-599,093,450.70-326,836,222.60

Finding the Fourth Proportional to 399,395,633.80, 599,093,450.70 and 326,836,222.60

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Solution

The fourth proportional to 399,395,633.80, 599,093,450.70 and 326,836,222.60 is: 490,254,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,395,633.80 : 599,093,450.70 = 326,836,222.60 : x
  2. Step 2: Convert to fraction form
    399,395,633.80/599,093,450.70 = 326,836,222.60/x
  3. Step 3: Cross multiply
    399,395,633.80x = 599,093,450.70 × 326,836,222.60
  4. Step 4: Simplify right side
    399,395,633.80x = 195,805,440,411,187,360
  5. Step 5: Solve for x
    x = 195,805,440,411,187,360/399,395,633.80
  6. Step 6: Final answer
    x = 490,254,333.90

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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.