Finding the Fourth Proportional to 8,780,047,012.44, 13,172,657,652.18 and 3,536,957,181.96
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Solution
The fourth proportional to 8,780,047,012.44, 13,172,657,652.18 and 3,536,957,181.96 is: 5,306,477,974.70
Step by Step Solution
- Step 1: Write the proportion equation
8,780,047,012.44 : 13,172,657,652.18 = 3,536,957,181.96 : x - Step 2: Convert to fraction form
8,780,047,012.44/13,172,657,652.18 = 3,536,957,181.96/x - Step 3: Cross multiply
8,780,047,012.44x = 13,172,657,652.18 × 3,536,957,181.96 - Step 4: Simplify right side
8,780,047,012.44x = 46,591,126,088,378,400,768 - Step 5: Solve for x
x = 46,591,126,088,378,400,768/8,780,047,012.44 - Step 6: Final answer
x = 5,306,477,974.70
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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.