Finding the Fourth Proportional to 5,081,055,542.28, 7,620,737,964.12 and 1,538,954,830.80
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Solution
The fourth proportional to 5,081,055,542.28, 7,620,737,964.12 and 1,538,954,830.80 is: 2,308,176,206.02
Step by Step Solution
- Step 1: Write the proportion equation
5,081,055,542.28 : 7,620,737,964.12 = 1,538,954,830.80 : x - Step 2: Convert to fraction form
5,081,055,542.28/7,620,737,964.12 = 1,538,954,830.80/x - Step 3: Cross multiply
5,081,055,542.28x = 7,620,737,964.12 × 1,538,954,830.80 - Step 4: Simplify right side
5,081,055,542.28x = 11,727,971,504,143,429,632 - Step 5: Solve for x
x = 11,727,971,504,143,429,632/5,081,055,542.28 - Step 6: Final answer
x = 2,308,176,206.02
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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.