Finding the Fourth Proportional to 2,777,806,834.08, 4,183,338,727.23 and 2,529,857,721.12
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Solution
The fourth proportional to 2,777,806,834.08, 4,183,338,727.23 and 2,529,857,721.12 is: 3,809,930,787.59
Step by Step Solution
- Step 1: Write the proportion equation
2,777,806,834.08 : 4,183,338,727.23 = 2,529,857,721.12 : x - Step 2: Convert to fraction form
2,777,806,834.08/4,183,338,727.23 = 2,529,857,721.12/x - Step 3: Cross multiply
2,777,806,834.08x = 4,183,338,727.23 × 2,529,857,721.12 - Step 4: Simplify right side
2,777,806,834.08x = 10,583,251,779,143,129,088 - Step 5: Solve for x
x = 10,583,251,779,143,129,088/2,777,806,834.08 - Step 6: Final answer
x = 3,809,930,787.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.