Finding the Fourth Proportional to 8,636,576,663.67, 12,959,645,306.69 and 4,215,032,716.35
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Solution
The fourth proportional to 8,636,576,663.67, 12,959,645,306.69 and 4,215,032,716.35 is: 6,324,882,078.54
Step by Step Solution
- Step 1: Write the proportion equation
8,636,576,663.67 : 12,959,645,306.69 = 4,215,032,716.35 : x - Step 2: Convert to fraction form
8,636,576,663.67/12,959,645,306.69 = 4,215,032,716.35/x - Step 3: Cross multiply
8,636,576,663.67x = 12,959,645,306.69 × 4,215,032,716.35 - Step 4: Simplify right side
8,636,576,663.67x = 54,625,328,959,969,001,472 - Step 5: Solve for x
x = 54,625,328,959,969,001,472/8,636,576,663.67 - Step 6: Final answer
x = 6,324,882,078.54
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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.