Finding the Fourth Proportional to 2,109,896,185.62, 3,165,135,311.23 and 1,224,998,285.39
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Solution
The fourth proportional to 2,109,896,185.62, 3,165,135,311.23 and 1,224,998,285.39 is: 1,837,666,400.70
Step by Step Solution
- Step 1: Write the proportion equation
2,109,896,185.62 : 3,165,135,311.23 = 1,224,998,285.39 : x - Step 2: Convert to fraction form
2,109,896,185.62/3,165,135,311.23 = 1,224,998,285.39/x - Step 3: Cross multiply
2,109,896,185.62x = 3,165,135,311.23 × 1,224,998,285.39 - Step 4: Simplify right side
2,109,896,185.62x = 3,877,285,329,284,092,928 - Step 5: Solve for x
x = 3,877,285,329,284,092,928/2,109,896,185.62 - Step 6: Final answer
x = 1,837,666,400.70
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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.