Finding the Fourth Proportional to 5,419,235,115.60, 7,464,610,235.16 and 3,830,595,877.32
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Solution
The fourth proportional to 5,419,235,115.60, 7,464,610,235.16 and 3,830,595,877.32 is: 5,276,372,879.69
Step by Step Solution
- Step 1: Write the proportion equation
5,419,235,115.60 : 7,464,610,235.16 = 3,830,595,877.32 : x - Step 2: Convert to fraction form
5,419,235,115.60/7,464,610,235.16 = 3,830,595,877.32/x - Step 3: Cross multiply
5,419,235,115.60x = 7,464,610,235.16 × 3,830,595,877.32 - Step 4: Simplify right side
5,419,235,115.60x = 28,593,905,192,604,573,696 - Step 5: Solve for x
x = 28,593,905,192,604,573,696/5,419,235,115.60 - Step 6: Final answer
x = 5,276,372,879.69
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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.