Finding the Fourth Proportional to 441,531,961.49, 609,286,652.75 and 243,282,362.02
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Solution
The fourth proportional to 441,531,961.49, 609,286,652.75 and 243,282,362.02 is: 335,714,532.48
Step by Step Solution
- Step 1: Write the proportion equation
441,531,961.49 : 609,286,652.75 = 243,282,362.02 : x - Step 2: Convert to fraction form
441,531,961.49/609,286,652.75 = 243,282,362.02/x - Step 3: Cross multiply
441,531,961.49x = 609,286,652.75 × 243,282,362.02 - Step 4: Simplify right side
441,531,961.49x = 148,228,696,028,279,520 - Step 5: Solve for x
x = 148,228,696,028,279,520/441,531,961.49 - Step 6: Final answer
x = 335,714,532.48
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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.