Finding the Fourth Proportional to 5,059,913,912.76, 6,982,299,951.66 and 3,079,545,871.80
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Solution
The fourth proportional to 5,059,913,912.76, 6,982,299,951.66 and 3,079,545,871.80 is: 4,249,541,269.38
Step by Step Solution
- Step 1: Write the proportion equation
5,059,913,912.76 : 6,982,299,951.66 = 3,079,545,871.80 : x - Step 2: Convert to fraction form
5,059,913,912.76/6,982,299,951.66 = 3,079,545,871.80/x - Step 3: Cross multiply
5,059,913,912.76x = 6,982,299,951.66 × 3,079,545,871.80 - Step 4: Simplify right side
5,059,913,912.76x = 21,502,312,991,803,891,712 - Step 5: Solve for x
x = 21,502,312,991,803,891,712/5,059,913,912.76 - Step 6: Final answer
x = 4,249,541,269.38
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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.