Finding the Fourth Proportional to 2,961,915,992.14, 4,087,355,589.79 and 1,623,760,348.09
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Solution
The fourth proportional to 2,961,915,992.14, 4,087,355,589.79 and 1,623,760,348.09 is: 2,240,740,774.84
Step by Step Solution
- Step 1: Write the proportion equation
2,961,915,992.14 : 4,087,355,589.79 = 1,623,760,348.09 : x - Step 2: Convert to fraction form
2,961,915,992.14/4,087,355,589.79 = 1,623,760,348.09/x - Step 3: Cross multiply
2,961,915,992.14x = 4,087,355,589.79 × 1,623,760,348.09 - Step 4: Simplify right side
2,961,915,992.14x = 6,636,885,935,245,017,088 - Step 5: Solve for x
x = 6,636,885,935,245,017,088/2,961,915,992.14 - Step 6: Final answer
x = 2,240,740,774.84
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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.