Finding the Fourth Proportional to 6,999,190,417, 9,654,331,629.54 and 4,489,088,285.80
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Solution
The fourth proportional to 6,999,190,417, 9,654,331,629.54 and 4,489,088,285.80 is: 6,192,022,854.55
Step by Step Solution
- Step 1: Write the proportion equation
6,999,190,417 : 9,654,331,629.54 = 4,489,088,285.80 : x - Step 2: Convert to fraction form
6,999,190,417/9,654,331,629.54 = 4,489,088,285.80/x - Step 3: Cross multiply
6,999,190,417x = 9,654,331,629.54 × 4,489,088,285.80 - Step 4: Simplify right side
6,999,190,417x = 43,339,147,025,396,449,280 - Step 5: Solve for x
x = 43,339,147,025,396,449,280/6,999,190,417 - Step 6: Final answer
x = 6,192,022,854.55
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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.