Finding the Fourth Proportional to 3,808,994,496.55, 5,256,477,390.12 and 2,092,416,036.95
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Solution
The fourth proportional to 3,808,994,496.55, 5,256,477,390.12 and 2,092,416,036.95 is: 2,887,569,829.50
Step by Step Solution
- Step 1: Write the proportion equation
3,808,994,496.55 : 5,256,477,390.12 = 2,092,416,036.95 : x - Step 2: Convert to fraction form
3,808,994,496.55/5,256,477,390.12 = 2,092,416,036.95/x - Step 3: Cross multiply
3,808,994,496.55x = 5,256,477,390.12 × 2,092,416,036.95 - Step 4: Simplify right side
3,808,994,496.55x = 10,998,737,588,952,170,496 - Step 5: Solve for x
x = 10,998,737,588,952,170,496/3,808,994,496.55 - Step 6: Final answer
x = 2,887,569,829.50
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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.