Finding the Fourth Proportional to 1,747,464,805.80, 2,411,485,129.62 and 954,510,481.44
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Solution
The fourth proportional to 1,747,464,805.80, 2,411,485,129.62 and 954,510,481.44 is: 1,317,215,559.60
Step by Step Solution
- Step 1: Write the proportion equation
1,747,464,805.80 : 2,411,485,129.62 = 954,510,481.44 : x - Step 2: Convert to fraction form
1,747,464,805.80/2,411,485,129.62 = 954,510,481.44/x - Step 3: Cross multiply
1,747,464,805.80x = 2,411,485,129.62 × 954,510,481.44 - Step 4: Simplify right side
1,747,464,805.80x = 2,301,787,832,058,987,008 - Step 5: Solve for x
x = 2,301,787,832,058,987,008/1,747,464,805.80 - Step 6: Final answer
x = 1,317,215,559.60
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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.