Finding the Fourth Proportional to 299,217,289.76, 448,436,627.39 and 121,747,608.84
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Solution
The fourth proportional to 299,217,289.76, 448,436,627.39 and 121,747,608.84 is: 182,463,009.23
Step by Step Solution
- Step 1: Write the proportion equation
299,217,289.76 : 448,436,627.39 = 121,747,608.84 : x - Step 2: Convert to fraction form
299,217,289.76/448,436,627.39 = 121,747,608.84/x - Step 3: Cross multiply
299,217,289.76x = 448,436,627.39 × 121,747,608.84 - Step 4: Simplify right side
299,217,289.76x = 54,596,087,101,310,920 - Step 5: Solve for x
x = 54,596,087,101,310,920/299,217,289.76 - Step 6: Final answer
x = 182,463,009.23
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1.5x scale
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.