Finding the Fourth Proportional to 346,306,567.25, 477,910,795.28 and 197,624,728.19
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Solution
The fourth proportional to 346,306,567.25, 477,910,795.28 and 197,624,728.19 is: 272,726,537.55
Step by Step Solution
- Step 1: Write the proportion equation
346,306,567.25 : 477,910,795.28 = 197,624,728.19 : x - Step 2: Convert to fraction form
346,306,567.25/477,910,795.28 = 197,624,728.19/x - Step 3: Cross multiply
346,306,567.25x = 477,910,795.28 × 197,624,728.19 - Step 4: Simplify right side
346,306,567.25x = 94,446,991,016,483,376 - Step 5: Solve for x
x = 94,446,991,016,483,376/346,306,567.25 - Step 6: Final answer
x = 272,726,537.55
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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.