Finding the Fourth Proportional to 4,665,612,309.30, 6,999,426,233.55 and 1,394,392,187.70
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Solution
The fourth proportional to 4,665,612,309.30, 6,999,426,233.55 and 1,394,392,187.70 is: 2,091,889,469.47
Step by Step Solution
- Step 1: Write the proportion equation
4,665,612,309.30 : 6,999,426,233.55 = 1,394,392,187.70 : x - Step 2: Convert to fraction form
4,665,612,309.30/6,999,426,233.55 = 1,394,392,187.70/x - Step 3: Cross multiply
4,665,612,309.30x = 6,999,426,233.55 × 1,394,392,187.70 - Step 4: Simplify right side
4,665,612,309.30x = 9,759,945,258,444,556,288 - Step 5: Solve for x
x = 9,759,945,258,444,556,288/4,665,612,309.30 - Step 6: Final answer
x = 2,091,889,469.47
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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.