Finding the Fourth Proportional to 7,243,368,305.40, 10,865,052,458.10 and 4,763,877,175.80
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Solution
The fourth proportional to 7,243,368,305.40, 10,865,052,458.10 and 4,763,877,175.80 is: 7,145,815,763.70
Step by Step Solution
- Step 1: Write the proportion equation
7,243,368,305.40 : 10,865,052,458.10 = 4,763,877,175.80 : x - Step 2: Convert to fraction form
7,243,368,305.40/10,865,052,458.10 = 4,763,877,175.80/x - Step 3: Cross multiply
7,243,368,305.40x = 10,865,052,458.10 × 4,763,877,175.80 - Step 4: Simplify right side
7,243,368,305.40x = 51,759,775,419,012,276,224 - Step 5: Solve for x
x = 51,759,775,419,012,276,224/7,243,368,305.40 - Step 6: Final answer
x = 7,145,815,763.70
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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.