Finding the Fourth Proportional to 5,281,175,822.40, 7,921,763,733.60 and 4,730,177,793.60
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Solution
The fourth proportional to 5,281,175,822.40, 7,921,763,733.60 and 4,730,177,793.60 is: 7,095,266,690.40
Step by Step Solution
- Step 1: Write the proportion equation
5,281,175,822.40 : 7,921,763,733.60 = 4,730,177,793.60 : x - Step 2: Convert to fraction form
5,281,175,822.40/7,921,763,733.60 = 4,730,177,793.60/x - Step 3: Cross multiply
5,281,175,822.40x = 7,921,763,733.60 × 4,730,177,793.60 - Step 4: Simplify right side
5,281,175,822.40x = 37,471,350,898,820,554,752 - Step 5: Solve for x
x = 37,471,350,898,820,554,752/5,281,175,822.40 - Step 6: Final answer
x = 7,095,266,690.40
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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.