Finding the Fourth Proportional to 299,217,289.57, 448,436,627.12 and 121,747,608.65
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Solution
The fourth proportional to 299,217,289.57, 448,436,627.12 and 121,747,608.65 is: 182,463,008.95
Step by Step Solution
- Step 1: Write the proportion equation
299,217,289.57 : 448,436,627.12 = 121,747,608.65 : x - Step 2: Convert to fraction form
299,217,289.57/448,436,627.12 = 121,747,608.65/x - Step 3: Cross multiply
299,217,289.57x = 448,436,627.12 × 121,747,608.65 - Step 4: Simplify right side
299,217,289.57x = 54,596,086,984,357,200 - Step 5: Solve for x
x = 54,596,086,984,357,200/299,217,289.57 - Step 6: Final answer
x = 182,463,008.95
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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.