Finding the Fourth Proportional to 1,724,434,855.23, 2,379,721,142.77 and 931,481,184.66
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Solution
The fourth proportional to 1,724,434,855.23, 2,379,721,142.77 and 931,481,184.66 is: 1,285,444,597.99
Step by Step Solution
- Step 1: Write the proportion equation
1,724,434,855.23 : 2,379,721,142.77 = 931,481,184.66 : x - Step 2: Convert to fraction form
1,724,434,855.23/2,379,721,142.77 = 931,481,184.66/x - Step 3: Cross multiply
1,724,434,855.23x = 2,379,721,142.77 × 931,481,184.66 - Step 4: Simplify right side
1,724,434,855.23x = 2,216,665,469,230,041,344 - Step 5: Solve for x
x = 2,216,665,469,230,041,344/1,724,434,855.23 - Step 6: Final answer
x = 1,285,444,597.99
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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.