Finding the Fourth Proportional to 98,319,327,513.06, 135,679,228,005.55 and 54,916,245,785.98
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Solution
The fourth proportional to 98,319,327,513.06, 135,679,228,005.55 and 54,916,245,785.98 is: 75,783,612,659.63
Step by Step Solution
- Step 1: Write the proportion equation
98,319,327,513.06 : 135,679,228,005.55 = 54,916,245,785.98 : x - Step 2: Convert to fraction form
98,319,327,513.06/135,679,228,005.55 = 54,916,245,785.98/x - Step 3: Cross multiply
98,319,327,513.06x = 135,679,228,005.55 × 54,916,245,785.98 - Step 4: Simplify right side
98,319,327,513.06x = 7,450,993,833,204,805,271,552 - Step 5: Solve for x
x = 7,450,993,833,204,805,271,552/98,319,327,513.06 - Step 6: Final answer
x = 75,783,612,659.63
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1.5x scale
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.