Finding the Fourth Proportional to 545,216,653.66, 818,080,367.28 and 268,717,138.06
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Solution
The fourth proportional to 545,216,653.66, 818,080,367.28 and 268,717,138.06 is: 403,201,577.80
Step by Step Solution
- Step 1: Write the proportion equation
545,216,653.66 : 818,080,367.28 = 268,717,138.06 : x - Step 2: Convert to fraction form
545,216,653.66/818,080,367.28 = 268,717,138.06/x - Step 3: Cross multiply
545,216,653.66x = 818,080,367.28 × 268,717,138.06 - Step 4: Simplify right side
545,216,653.66x = 219,832,214,998,555,264 - Step 5: Solve for x
x = 219,832,214,998,555,264/545,216,653.66 - Step 6: Final answer
x = 403,201,577.80
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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.