Finding the Fourth Proportional to 7,243,690,201.65, 10,865,535,302.48 and 7,243,690,201.65
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Solution
The fourth proportional to 7,243,690,201.65, 10,865,535,302.48 and 7,243,690,201.65 is: 10,865,535,302.48
Step by Step Solution
- Step 1: Write the proportion equation
7,243,690,201.65 : 10,865,535,302.48 = 7,243,690,201.65 : x - Step 2: Convert to fraction form
7,243,690,201.65/10,865,535,302.48 = 7,243,690,201.65/x - Step 3: Cross multiply
7,243,690,201.65x = 10,865,535,302.48 × 7,243,690,201.65 - Step 4: Simplify right side
7,243,690,201.65x = 78,706,571,606,220,324,864 - Step 5: Solve for x
x = 78,706,571,606,220,324,864/7,243,690,201.65 - Step 6: Final answer
x = 10,865,535,302.48
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Double scale
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1.5x scale
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.