Finding the Fourth Proportional to 279,046,446.63, 418,288,296.15 and 175,489,660.23
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Solution
The fourth proportional to 279,046,446.63, 418,288,296.15 and 175,489,660.23 is: 263,057,537.04
Step by Step Solution
- Step 1: Write the proportion equation
279,046,446.63 : 418,288,296.15 = 175,489,660.23 : x - Step 2: Convert to fraction form
279,046,446.63/418,288,296.15 = 175,489,660.23/x - Step 3: Cross multiply
279,046,446.63x = 418,288,296.15 × 175,489,660.23 - Step 4: Simplify right side
279,046,446.63x = 73,405,270,969,549,104 - Step 5: Solve for x
x = 73,405,270,969,549,104/279,046,446.63 - Step 6: Final answer
x = 263,057,537.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.