Finding the Fourth Proportional to 8,318,621,111,631.20, 11,479,710,638,827 and 4,614,837,515,720.80
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Solution
The fourth proportional to 8,318,621,111,631.20, 11,479,710,638,827 and 4,614,837,515,720.80 is: 6,368,483,263,603.02
Step by Step Solution
- Step 1: Write the proportion equation
8,318,621,111,631.20 : 11,479,710,638,827 = 4,614,837,515,720.80 : x - Step 2: Convert to fraction form
8,318,621,111,631.20/11,479,710,638,827 = 4,614,837,515,720.80/x - Step 3: Cross multiply
8,318,621,111,631.20x = 11,479,710,638,827 × 4,614,837,515,720.80 - Step 4: Simplify right side
8,318,621,111,631.20x = 52,976,999,325,678,025,595,420,672 - Step 5: Solve for x
x = 52,976,999,325,678,025,595,420,672/8,318,621,111,631.20 - Step 6: Final answer
x = 6,368,483,263,603.02
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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.