Finding the Fourth Proportional to 343,598,921.66, 474,162,526.08 and 186,963,329.92
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Solution
The fourth proportional to 343,598,921.66, 474,162,526.08 and 186,963,329.92 is: 258,007,226.48
Step by Step Solution
- Step 1: Write the proportion equation
343,598,921.66 : 474,162,526.08 = 186,963,329.92 : x - Step 2: Convert to fraction form
343,598,921.66/474,162,526.08 = 186,963,329.92/x - Step 3: Cross multiply
343,598,921.66x = 474,162,526.08 × 186,963,329.92 - Step 4: Simplify right side
343,598,921.66x = 88,651,004,799,195,632 - Step 5: Solve for x
x = 88,651,004,799,195,632/343,598,921.66 - Step 6: Final answer
x = 258,007,226.48
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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.