Finding the Fourth Proportional to 5,247,666,312.56, 7,241,865,547.86 and 3,133,307,021.84
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Solution
The fourth proportional to 5,247,666,312.56, 7,241,865,547.86 and 3,133,307,021.84 is: 4,324,015,061.33
Step by Step Solution
- Step 1: Write the proportion equation
5,247,666,312.56 : 7,241,865,547.86 = 3,133,307,021.84 : x - Step 2: Convert to fraction form
5,247,666,312.56/7,241,865,547.86 = 3,133,307,021.84/x - Step 3: Cross multiply
5,247,666,312.56x = 7,241,865,547.86 × 3,133,307,021.84 - Step 4: Simplify right side
5,247,666,312.56x = 22,690,988,172,330,917,888 - Step 5: Solve for x
x = 22,690,988,172,330,917,888/5,247,666,312.56 - Step 6: Final answer
x = 4,324,015,061.33
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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.