Finding the Fourth Proportional to 5,195,581,853.09, 7,170,679,275.80 and 4,090,066,999.97
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Solution
The fourth proportional to 5,195,581,853.09, 7,170,679,275.80 and 4,090,066,999.97 is: 5,644,903,593.59
Step by Step Solution
- Step 1: Write the proportion equation
5,195,581,853.09 : 7,170,679,275.80 = 4,090,066,999.97 : x - Step 2: Convert to fraction form
5,195,581,853.09/7,170,679,275.80 = 4,090,066,999.97/x - Step 3: Cross multiply
5,195,581,853.09x = 7,170,679,275.80 × 4,090,066,999.97 - Step 4: Simplify right side
5,195,581,853.09x = 29,328,558,673,262,055,424 - Step 5: Solve for x
x = 29,328,558,673,262,055,424/5,195,581,853.09 - Step 6: Final answer
x = 5,644,903,593.59
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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.