Finding the Fourth Proportional to 5,878,686,605.90, 8,819,306,788.12 and 2,147,972,003.79
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Solution
The fourth proportional to 5,878,686,605.90, 8,819,306,788.12 and 2,147,972,003.79 is: 3,222,424,555.63
Step by Step Solution
- Step 1: Write the proportion equation
5,878,686,605.90 : 8,819,306,788.12 = 2,147,972,003.79 : x - Step 2: Convert to fraction form
5,878,686,605.90/8,819,306,788.12 = 2,147,972,003.79/x - Step 3: Cross multiply
5,878,686,605.90x = 8,819,306,788.12 × 2,147,972,003.79 - Step 4: Simplify right side
5,878,686,605.90x = 18,943,624,073,716,867,072 - Step 5: Solve for x
x = 18,943,624,073,716,867,072/5,878,686,605.90 - Step 6: Final answer
x = 3,222,424,555.63
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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.