Finding the Fourth Proportional to 395,719,536.65, 546,090,948.97 and 219,505,707.68
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Solution
The fourth proportional to 395,719,536.65, 546,090,948.97 and 219,505,707.68 is: 302,916,760.76
Step by Step Solution
- Step 1: Write the proportion equation
395,719,536.65 : 546,090,948.97 = 219,505,707.68 : x - Step 2: Convert to fraction form
395,719,536.65/546,090,948.97 = 219,505,707.68/x - Step 3: Cross multiply
395,719,536.65x = 546,090,948.97 × 219,505,707.68 - Step 4: Simplify right side
395,719,536.65x = 119,870,080,208,023,392 - Step 5: Solve for x
x = 119,870,080,208,023,392/395,719,536.65 - Step 6: Final answer
x = 302,916,760.76
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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.