Finding the Fourth Proportional to 1,747,534,999.62, 2,411,606,519.01 and 954,591,979.62
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Solution
The fourth proportional to 1,747,534,999.62, 2,411,606,519.01 and 954,591,979.62 is: 1,317,341,421.80
Step by Step Solution
- Step 1: Write the proportion equation
1,747,534,999.62 : 2,411,606,519.01 = 954,591,979.62 : x - Step 2: Convert to fraction form
1,747,534,999.62/2,411,606,519.01 = 954,591,979.62/x - Step 3: Cross multiply
1,747,534,999.62x = 2,411,606,519.01 × 954,591,979.62 - Step 4: Simplify right side
1,747,534,999.62x = 2,302,100,241,046,253,312 - Step 5: Solve for x
x = 2,302,100,241,046,253,312/1,747,534,999.62 - Step 6: Final answer
x = 1,317,341,421.80
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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.