Finding the Fourth Proportional to 295,644,488.05, 407,992,037.03 and 163,494,376.09
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Solution
The fourth proportional to 295,644,488.05, 407,992,037.03 and 163,494,376.09 is: 225,623,700.89
Step by Step Solution
- Step 1: Write the proportion equation
295,644,488.05 : 407,992,037.03 = 163,494,376.09 : x - Step 2: Convert to fraction form
295,644,488.05/407,992,037.03 = 163,494,376.09/x - Step 3: Cross multiply
295,644,488.05x = 407,992,037.03 × 163,494,376.09 - Step 4: Simplify right side
295,644,488.05x = 66,704,403,542,685,320 - Step 5: Solve for x
x = 66,704,403,542,685,320/295,644,488.05 - Step 6: Final answer
x = 225,623,700.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.