Finding the Fourth Proportional to 595,242,863.12, 821,438,342.59 and 327,335,967.74
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Solution
The fourth proportional to 595,242,863.12, 821,438,342.59 and 327,335,967.74 is: 451,725,390.54
Step by Step Solution
- Step 1: Write the proportion equation
595,242,863.12 : 821,438,342.59 = 327,335,967.74 : x - Step 2: Convert to fraction form
595,242,863.12/821,438,342.59 = 327,335,967.74/x - Step 3: Cross multiply
595,242,863.12x = 821,438,342.59 × 327,335,967.74 - Step 4: Simplify right side
595,242,863.12x = 268,886,314,809,040,064 - Step 5: Solve for x
x = 268,886,314,809,040,064/595,242,863.12 - Step 6: Final answer
x = 451,725,390.54
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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.