Finding the Fourth Proportional to 1,415,919,617.44, 1,953,349,198.40 and 1,350,273,367.52
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Solution
The fourth proportional to 1,415,919,617.44, 1,953,349,198.40 and 1,350,273,367.52 is: 1,862,786,112.70
Step by Step Solution
- Step 1: Write the proportion equation
1,415,919,617.44 : 1,953,349,198.40 = 1,350,273,367.52 : x - Step 2: Convert to fraction form
1,415,919,617.44/1,953,349,198.40 = 1,350,273,367.52/x - Step 3: Cross multiply
1,415,919,617.44x = 1,953,349,198.40 × 1,350,273,367.52 - Step 4: Simplify right side
1,415,919,617.44x = 2,637,555,400,066,060,800 - Step 5: Solve for x
x = 2,637,555,400,066,060,800/1,415,919,617.44 - Step 6: Final answer
x = 1,862,786,112.70
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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.