Finding the Fourth Proportional to 350,068,153.68, 483,121,602.36 and 199,367,169.71
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Solution
The fourth proportional to 350,068,153.68, 483,121,602.36 and 199,367,169.71 is: 275,142,384.34
Step by Step Solution
- Step 1: Write the proportion equation
350,068,153.68 : 483,121,602.36 = 199,367,169.71 : x - Step 2: Convert to fraction form
350,068,153.68/483,121,602.36 = 199,367,169.71/x - Step 3: Cross multiply
350,068,153.68x = 483,121,602.36 × 199,367,169.71 - Step 4: Simplify right side
350,068,153.68x = 96,318,586,485,857,664 - Step 5: Solve for x
x = 96,318,586,485,857,664/350,068,153.68 - Step 6: Final answer
x = 275,142,384.34
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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.