Finding the Fourth Proportional to 7,945,471,054.99, 11,914,068,248.81 and 3,747,296,658.40
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Solution
The fourth proportional to 7,945,471,054.99, 11,914,068,248.81 and 3,747,296,658.40 is: 5,618,993,238.76
Step by Step Solution
- Step 1: Write the proportion equation
7,945,471,054.99 : 11,914,068,248.81 = 3,747,296,658.40 : x - Step 2: Convert to fraction form
7,945,471,054.99/11,914,068,248.81 = 3,747,296,658.40/x - Step 3: Cross multiply
7,945,471,054.99x = 11,914,068,248.81 × 3,747,296,658.40 - Step 4: Simplify right side
7,945,471,054.99x = 44,645,548,136,715,255,808 - Step 5: Solve for x
x = 44,645,548,136,715,255,808/7,945,471,054.99 - Step 6: Final answer
x = 5,618,993,238.76
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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.