Finding the Fourth Proportional to 421,514,877.44, 581,697,418.48 and 230,772,713.04
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Solution
The fourth proportional to 421,514,877.44, 581,697,418.48 and 230,772,713.04 is: 318,470,114.85
Step by Step Solution
- Step 1: Write the proportion equation
421,514,877.44 : 581,697,418.48 = 230,772,713.04 : x - Step 2: Convert to fraction form
421,514,877.44/581,697,418.48 = 230,772,713.04/x - Step 3: Cross multiply
421,514,877.44x = 581,697,418.48 × 230,772,713.04 - Step 4: Simplify right side
421,514,877.44x = 134,239,891,430,993,840 - Step 5: Solve for x
x = 134,239,891,430,993,840/421,514,877.44 - Step 6: Final answer
x = 318,470,114.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.