Home / 298,912,623.26-448,338,661.89-80,585,035.19

Finding the Fourth Proportional to 298,912,623.26, 448,338,661.89 and 80,585,035.19

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Solution

The fourth proportional to 298,912,623.26, 448,338,661.89 and 80,585,035.19 is: 120,869,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,912,623.26 : 448,338,661.89 = 80,585,035.19 : x
  2. Step 2: Convert to fraction form
    298,912,623.26/448,338,661.89 = 80,585,035.19/x
  3. Step 3: Cross multiply
    298,912,623.26x = 448,338,661.89 × 80,585,035.19
  4. Step 4: Simplify right side
    298,912,623.26x = 36,129,386,845,034,232
  5. Step 5: Solve for x
    x = 36,129,386,845,034,232/298,912,623.26
  6. Step 6: Final answer
    x = 120,869,391.37

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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.