Finding the Fourth Proportional to 7,789,136,337.98, 11,683,794,261.42 and 2,815,235,939.42
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Solution
The fourth proportional to 7,789,136,337.98, 11,683,794,261.42 and 2,815,235,939.42 is: 4,222,886,349.18
Step by Step Solution
- Step 1: Write the proportion equation
7,789,136,337.98 : 11,683,794,261.42 = 2,815,235,939.42 : x - Step 2: Convert to fraction form
7,789,136,337.98/11,683,794,261.42 = 2,815,235,939.42/x - Step 3: Cross multiply
7,789,136,337.98x = 11,683,794,261.42 × 2,815,235,939.42 - Step 4: Simplify right side
7,789,136,337.98x = 32,892,637,513,538,740,224 - Step 5: Solve for x
x = 32,892,637,513,538,740,224/7,789,136,337.98 - Step 6: Final answer
x = 4,222,886,349.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.