Finding the Fourth Proportional to 4,894,571,420.82, 6,754,509,532.17 and 2,666,903,608.26
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Solution
The fourth proportional to 4,894,571,420.82, 6,754,509,532.17 and 2,666,903,608.26 is: 3,680,327,508.71
Step by Step Solution
- Step 1: Write the proportion equation
4,894,571,420.82 : 6,754,509,532.17 = 2,666,903,608.26 : x - Step 2: Convert to fraction form
4,894,571,420.82/6,754,509,532.17 = 2,666,903,608.26/x - Step 3: Cross multiply
4,894,571,420.82x = 6,754,509,532.17 × 2,666,903,608.26 - Step 4: Simplify right side
4,894,571,420.82x = 18,013,625,843,370,739,712 - Step 5: Solve for x
x = 18,013,625,843,370,739,712/4,894,571,420.82 - Step 6: Final answer
x = 3,680,327,508.71
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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.