Finding the Fourth Proportional to 1,244,834,222.60, 1,866,719,824.63 and 720,565,201.08
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Solution
The fourth proportional to 1,244,834,222.60, 1,866,719,824.63 and 720,565,201.08 is: 1,080,540,140.50
Step by Step Solution
- Step 1: Write the proportion equation
1,244,834,222.60 : 1,866,719,824.63 = 720,565,201.08 : x - Step 2: Convert to fraction form
1,244,834,222.60/1,866,719,824.63 = 720,565,201.08/x - Step 3: Cross multiply
1,244,834,222.60x = 1,866,719,824.63 × 720,565,201.08 - Step 4: Simplify right side
1,244,834,222.60x = 1,345,093,345,792,737,024 - Step 5: Solve for x
x = 1,345,093,345,792,737,024/1,244,834,222.60 - Step 6: Final answer
x = 1,080,540,140.50
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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.