Finding the Fourth Proportional to 347,490,725.81, 479,546,566.14 and 204,446,473.93
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Solution
The fourth proportional to 347,490,725.81, 479,546,566.14 and 204,446,473.93 is: 282,141,643.65
Step by Step Solution
- Step 1: Write the proportion equation
347,490,725.81 : 479,546,566.14 = 204,446,473.93 : x - Step 2: Convert to fraction form
347,490,725.81/479,546,566.14 = 204,446,473.93/x - Step 3: Cross multiply
347,490,725.81x = 479,546,566.14 × 204,446,473.93 - Step 4: Simplify right side
347,490,725.81x = 98,041,604,532,562,528 - Step 5: Solve for x
x = 98,041,604,532,562,528/347,490,725.81 - Step 6: Final answer
x = 282,141,643.65
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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.