Finding the Fourth Proportional to 2,940,087,545.13, 4,406,991,013.99 and 1,676,831,912.76
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Solution
The fourth proportional to 2,940,087,545.13, 4,406,991,013.99 and 1,676,831,912.76 is: 2,513,456,847.15
Step by Step Solution
- Step 1: Write the proportion equation
2,940,087,545.13 : 4,406,991,013.99 = 1,676,831,912.76 : x - Step 2: Convert to fraction form
2,940,087,545.13/4,406,991,013.99 = 1,676,831,912.76/x - Step 3: Cross multiply
2,940,087,545.13x = 4,406,991,013.99 × 1,676,831,912.76 - Step 4: Simplify right side
2,940,087,545.13x = 7,389,783,171,523,908,608 - Step 5: Solve for x
x = 7,389,783,171,523,908,608/2,940,087,545.13 - Step 6: Final answer
x = 2,513,456,847.15
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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.