Finding the Fourth Proportional to 4,959,195,874.92, 6,843,689,693.30 and 2,731,528,063.48
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Solution
The fourth proportional to 4,959,195,874.92, 6,843,689,693.30 and 2,731,528,063.48 is: 3,769,508,389.36
Step by Step Solution
- Step 1: Write the proportion equation
4,959,195,874.92 : 6,843,689,693.30 = 2,731,528,063.48 : x - Step 2: Convert to fraction form
4,959,195,874.92/6,843,689,693.30 = 2,731,528,063.48/x - Step 3: Cross multiply
4,959,195,874.92x = 6,843,689,693.30 × 2,731,528,063.48 - Step 4: Simplify right side
4,959,195,874.92x = 18,693,730,454,997,786,624 - Step 5: Solve for x
x = 18,693,730,454,997,786,624/4,959,195,874.92 - Step 6: Final answer
x = 3,769,508,389.36
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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.