Finding the Fourth Proportional to 417,749,328.24, 625,589,697.78 and 306,821,956.03
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Solution
The fourth proportional to 417,749,328.24, 625,589,697.78 and 306,821,956.03 is: 459,473,281.63
Step by Step Solution
- Step 1: Write the proportion equation
417,749,328.24 : 625,589,697.78 = 306,821,956.03 : x - Step 2: Convert to fraction form
417,749,328.24/625,589,697.78 = 306,821,956.03/x - Step 3: Cross multiply
417,749,328.24x = 625,589,697.78 × 306,821,956.03 - Step 4: Simplify right side
417,749,328.24x = 191,944,654,746,162,720 - Step 5: Solve for x
x = 191,944,654,746,162,720/417,749,328.24 - Step 6: Final answer
x = 459,473,281.63
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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.