Finding the Fourth Proportional to 457,752,843.84, 631,702,210.68 and 248,907,489.96
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Solution
The fourth proportional to 457,752,843.84, 631,702,210.68 and 248,907,489.96 is: 343,494,123.04
Step by Step Solution
- Step 1: Write the proportion equation
457,752,843.84 : 631,702,210.68 = 248,907,489.96 : x - Step 2: Convert to fraction form
457,752,843.84/631,702,210.68 = 248,907,489.96/x - Step 3: Cross multiply
457,752,843.84x = 631,702,210.68 × 248,907,489.96 - Step 4: Simplify right side
457,752,843.84x = 157,235,411,662,541,888 - Step 5: Solve for x
x = 157,235,411,662,541,888/457,752,843.84 - Step 6: Final answer
x = 343,494,123.04
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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.