Finding the Fourth Proportional to 343,598,921.16, 474,162,525.39 and 186,963,329.42
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Solution
The fourth proportional to 343,598,921.16, 474,162,525.39 and 186,963,329.42 is: 258,007,225.79
Step by Step Solution
- Step 1: Write the proportion equation
343,598,921.16 : 474,162,525.39 = 186,963,329.42 : x - Step 2: Convert to fraction form
343,598,921.16/474,162,525.39 = 186,963,329.42/x - Step 3: Cross multiply
343,598,921.16x = 474,162,525.39 × 186,963,329.42 - Step 4: Simplify right side
343,598,921.16x = 88,651,004,432,169,232 - Step 5: Solve for x
x = 88,651,004,432,169,232/343,598,921.16 - Step 6: Final answer
x = 258,007,225.79
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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.