Finding the Fourth Proportional to 7,757,148,517.74, 11,637,356,946.75 and 2,516,347,513.98
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Solution
The fourth proportional to 7,757,148,517.74, 11,637,356,946.75 and 2,516,347,513.98 is: 3,775,051,380.71
Step by Step Solution
- Step 1: Write the proportion equation
7,757,148,517.74 : 11,637,356,946.75 = 2,516,347,513.98 : x - Step 2: Convert to fraction form
7,757,148,517.74/11,637,356,946.75 = 2,516,347,513.98/x - Step 3: Cross multiply
7,757,148,517.74x = 11,637,356,946.75 × 2,516,347,513.98 - Step 4: Simplify right side
7,757,148,517.74x = 29,283,634,222,252,244,992 - Step 5: Solve for x
x = 29,283,634,222,252,244,992/7,757,148,517.74 - Step 6: Final answer
x = 3,775,051,380.71
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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.