Finding the Fourth Proportional to 10,887,478,887.80, 16,331,218,331.70 and 3,132,691,815.80
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Solution
The fourth proportional to 10,887,478,887.80, 16,331,218,331.70 and 3,132,691,815.80 is: 4,699,037,723.70
Step by Step Solution
- Step 1: Write the proportion equation
10,887,478,887.80 : 16,331,218,331.70 = 3,132,691,815.80 : x - Step 2: Convert to fraction form
10,887,478,887.80/16,331,218,331.70 = 3,132,691,815.80/x - Step 3: Cross multiply
10,887,478,887.80x = 16,331,218,331.70 × 3,132,691,815.80 - Step 4: Simplify right side
10,887,478,887.80x = 51,160,674,009,759,522,816 - Step 5: Solve for x
x = 51,160,674,009,759,522,816/10,887,478,887.80 - Step 6: Final answer
x = 4,699,037,723.70
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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.