Finding the Fourth Proportional to 1,684,335,245.16, 2,324,226,652.18 and 931,632,220.38
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Solution
The fourth proportional to 1,684,335,245.16, 2,324,226,652.18 and 931,632,220.38 is: 1,285,566,185.75
Step by Step Solution
- Step 1: Write the proportion equation
1,684,335,245.16 : 2,324,226,652.18 = 931,632,220.38 : x - Step 2: Convert to fraction form
1,684,335,245.16/2,324,226,652.18 = 931,632,220.38/x - Step 3: Cross multiply
1,684,335,245.16x = 2,324,226,652.18 × 931,632,220.38 - Step 4: Simplify right side
1,684,335,245.16x = 2,165,324,436,636,827,136 - Step 5: Solve for x
x = 2,165,324,436,636,827,136/1,684,335,245.16 - Step 6: Final answer
x = 1,285,566,185.75
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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.