Finding the Fourth Proportional to 318,870,508.84, 440,050,628.58 and 186,699,139.24
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Solution
The fourth proportional to 318,870,508.84, 440,050,628.58 and 186,699,139.24 is: 257,650,272.76
Step by Step Solution
- Step 1: Write the proportion equation
318,870,508.84 : 440,050,628.58 = 186,699,139.24 : x - Step 2: Convert to fraction form
318,870,508.84/440,050,628.58 = 186,699,139.24/x - Step 3: Cross multiply
318,870,508.84x = 440,050,628.58 × 186,699,139.24 - Step 4: Simplify right side
318,870,508.84x = 82,157,073,577,906,944 - Step 5: Solve for x
x = 82,157,073,577,906,944/318,870,508.84 - Step 6: Final answer
x = 257,650,272.76
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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.