Finding the Fourth Proportional to 4,666,371,867.68, 6,440,092,220.39 and 2,859,083,129.49
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Solution
The fourth proportional to 4,666,371,867.68, 6,440,092,220.39 and 2,859,083,129.49 is: 3,945,840,482.02
Step by Step Solution
- Step 1: Write the proportion equation
4,666,371,867.68 : 6,440,092,220.39 = 2,859,083,129.49 : x - Step 2: Convert to fraction form
4,666,371,867.68/6,440,092,220.39 = 2,859,083,129.49/x - Step 3: Cross multiply
4,666,371,867.68x = 6,440,092,220.39 × 2,859,083,129.49 - Step 4: Simplify right side
4,666,371,867.68x = 18,412,759,019,645,794,304 - Step 5: Solve for x
x = 18,412,759,019,645,794,304/4,666,371,867.68 - Step 6: Final answer
x = 3,945,840,482.02
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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.