Finding the Fourth Proportional to 2,513,905,813.23, 3,469,297,545.68 and 1,400,071,728.75
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Solution
The fourth proportional to 2,513,905,813.23, 3,469,297,545.68 and 1,400,071,728.75 is: 1,932,158,868.78
Step by Step Solution
- Step 1: Write the proportion equation
2,513,905,813.23 : 3,469,297,545.68 = 1,400,071,728.75 : x - Step 2: Convert to fraction form
2,513,905,813.23/3,469,297,545.68 = 1,400,071,728.75/x - Step 3: Cross multiply
2,513,905,813.23x = 3,469,297,545.68 × 1,400,071,728.75 - Step 4: Simplify right side
2,513,905,813.23x = 4,857,265,412,321,329,152 - Step 5: Solve for x
x = 4,857,265,412,321,329,152/2,513,905,813.23 - Step 6: Final answer
x = 1,932,158,868.78
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1.5x scale
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.