Finding the Fourth Proportional to 346,840,687.20, 478,596,156.72 and 190,166,566.08
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Solution
The fourth proportional to 346,840,687.20, 478,596,156.72 and 190,166,566.08 is: 262,405,741.37
Step by Step Solution
- Step 1: Write the proportion equation
346,840,687.20 : 478,596,156.72 = 190,166,566.08 : x - Step 2: Convert to fraction form
346,840,687.20/478,596,156.72 = 190,166,566.08/x - Step 3: Cross multiply
346,840,687.20x = 478,596,156.72 × 190,166,566.08 - Step 4: Simplify right side
346,840,687.20x = 91,012,987,662,527,920 - Step 5: Solve for x
x = 91,012,987,662,527,920/346,840,687.20 - Step 6: Final answer
x = 262,405,741.37
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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.