Finding the Fourth Proportional to 1,306,425,956.88, 1,959,329,361.72 and 373,720,048.08
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Solution
The fourth proportional to 1,306,425,956.88, 1,959,329,361.72 and 373,720,048.08 is: 560,491,514.59
Step by Step Solution
- Step 1: Write the proportion equation
1,306,425,956.88 : 1,959,329,361.72 = 373,720,048.08 : x - Step 2: Convert to fraction form
1,306,425,956.88/1,959,329,361.72 = 373,720,048.08/x - Step 3: Cross multiply
1,306,425,956.88x = 1,959,329,361.72 × 373,720,048.08 - Step 4: Simplify right side
1,306,425,956.88x = 732,240,663,266,554,112 - Step 5: Solve for x
x = 732,240,663,266,554,112/1,306,425,956.88 - Step 6: Final answer
x = 560,491,514.59
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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.