Finding the Fourth Proportional to 9,578,519,771.40, 14,367,779,657.10 and 5,660,311,566.60
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Solution
The fourth proportional to 9,578,519,771.40, 14,367,779,657.10 and 5,660,311,566.60 is: 8,490,467,349.90
Step by Step Solution
- Step 1: Write the proportion equation
9,578,519,771.40 : 14,367,779,657.10 = 5,660,311,566.60 : x - Step 2: Convert to fraction form
9,578,519,771.40/14,367,779,657.10 = 5,660,311,566.60/x - Step 3: Cross multiply
9,578,519,771.40x = 14,367,779,657.10 × 5,660,311,566.60 - Step 4: Simplify right side
9,578,519,771.40x = 81,326,109,379,443,326,976 - Step 5: Solve for x
x = 81,326,109,379,443,326,976/9,578,519,771.40 - Step 6: Final answer
x = 8,490,467,349.90
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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.