Finding the Fourth Proportional to 4,259,097,973.20, 6,388,646,959.80 and 1,965,862,261.20
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Solution
The fourth proportional to 4,259,097,973.20, 6,388,646,959.80 and 1,965,862,261.20 is: 2,948,793,391.80
Step by Step Solution
- Step 1: Write the proportion equation
4,259,097,973.20 : 6,388,646,959.80 = 1,965,862,261.20 : x - Step 2: Convert to fraction form
4,259,097,973.20/6,388,646,959.80 = 1,965,862,261.20/x - Step 3: Cross multiply
4,259,097,973.20x = 6,388,646,959.80 × 1,965,862,261.20 - Step 4: Simplify right side
4,259,097,973.20x = 12,559,199,958,400,933,888 - Step 5: Solve for x
x = 12,559,199,958,400,933,888/4,259,097,973.20 - Step 6: Final answer
x = 2,948,793,391.80
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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.