Finding the Fourth Proportional to 8,291,318,325.99, 11,442,018,444.80 and 4,532,143,906.05
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Solution
The fourth proportional to 8,291,318,325.99, 11,442,018,444.80 and 4,532,143,906.05 is: 6,254,358,128.42
Step by Step Solution
- Step 1: Write the proportion equation
8,291,318,325.99 : 11,442,018,444.80 = 4,532,143,906.05 : x - Step 2: Convert to fraction form
8,291,318,325.99/11,442,018,444.80 = 4,532,143,906.05/x - Step 3: Cross multiply
8,291,318,325.99x = 11,442,018,444.80 × 4,532,143,906.05 - Step 4: Simplify right side
8,291,318,325.99x = 51,856,874,167,512,014,848 - Step 5: Solve for x
x = 51,856,874,167,512,014,848/8,291,318,325.99 - Step 6: Final answer
x = 6,254,358,128.42
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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.