Finding the Fourth Proportional to 5,244,260,243.10, 7,866,390,364.65 and 4,815,706,220.70
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Solution
The fourth proportional to 5,244,260,243.10, 7,866,390,364.65 and 4,815,706,220.70 is: 7,223,559,331.05
Step by Step Solution
- Step 1: Write the proportion equation
5,244,260,243.10 : 7,866,390,364.65 = 4,815,706,220.70 : x - Step 2: Convert to fraction form
5,244,260,243.10/7,866,390,364.65 = 4,815,706,220.70/x - Step 3: Cross multiply
5,244,260,243.10x = 7,866,390,364.65 × 4,815,706,220.70 - Step 4: Simplify right side
5,244,260,243.10x = 37,882,225,013,499,543,552 - Step 5: Solve for x
x = 37,882,225,013,499,543,552/5,244,260,243.10 - Step 6: Final answer
x = 7,223,559,331.05
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.