Finding the Fourth Proportional to 457,391,671,436.19, 632,106,141,076.74 and 374,862,260,971.62
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Solution
The fourth proportional to 457,391,671,436.19, 632,106,141,076.74 and 374,862,260,971.62 is: 518,052,146,585.99
Step by Step Solution
- Step 1: Write the proportion equation
457,391,671,436.19 : 632,106,141,076.74 = 374,862,260,971.62 : x - Step 2: Convert to fraction form
457,391,671,436.19/632,106,141,076.74 = 374,862,260,971.62/x - Step 3: Cross multiply
457,391,671,436.19x = 632,106,141,076.74 × 374,862,260,971.62 - Step 4: Simplify right side
457,391,671,436.19x = 236,952,737,218,072,554,766,336 - Step 5: Solve for x
x = 236,952,737,218,072,554,766,336/457,391,671,436.19 - Step 6: Final answer
x = 518,052,146,585.99
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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.