Finding the Fourth Proportional to 351,267,629.81, 484,749,898.85 and 192,472,519.19
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Solution
The fourth proportional to 351,267,629.81, 484,749,898.85 and 192,472,519.19 is: 265,612,388.65
Step by Step Solution
- Step 1: Write the proportion equation
351,267,629.81 : 484,749,898.85 = 192,472,519.19 : x - Step 2: Convert to fraction form
351,267,629.81/484,749,898.85 = 192,472,519.19/x - Step 3: Cross multiply
351,267,629.81x = 484,749,898.85 × 192,472,519.19 - Step 4: Simplify right side
351,267,629.81x = 93,301,034,209,543,760 - Step 5: Solve for x
x = 93,301,034,209,543,760/351,267,629.81 - Step 6: Final answer
x = 265,612,388.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.