Finding the Fourth Proportional to 98,319,327,519.02, 135,679,228,013.70 and 54,916,245,791.93
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Solution
The fourth proportional to 98,319,327,519.02, 135,679,228,013.70 and 54,916,245,791.93 is: 75,783,612,667.80
Step by Step Solution
- Step 1: Write the proportion equation
98,319,327,519.02 : 135,679,228,013.70 = 54,916,245,791.93 : x - Step 2: Convert to fraction form
98,319,327,519.02/135,679,228,013.70 = 54,916,245,791.93/x - Step 3: Cross multiply
98,319,327,519.02x = 135,679,228,013.70 × 54,916,245,791.93 - Step 4: Simplify right side
98,319,327,519.02x = 7,450,993,834,459,663,433,728 - Step 5: Solve for x
x = 7,450,993,834,459,663,433,728/98,319,327,519.02 - Step 6: Final answer
x = 75,783,612,667.80
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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.