Finding the Fourth Proportional to 418,440,950.82, 577,434,021.96 and 230,251,646.12
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Solution
The fourth proportional to 418,440,950.82, 577,434,021.96 and 230,251,646.12 is: 317,739,298.27
Step by Step Solution
- Step 1: Write the proportion equation
418,440,950.82 : 577,434,021.96 = 230,251,646.12 : x - Step 2: Convert to fraction form
418,440,950.82/577,434,021.96 = 230,251,646.12/x - Step 3: Cross multiply
418,440,950.82x = 577,434,021.96 × 230,251,646.12 - Step 4: Simplify right side
418,440,950.82x = 132,955,134,081,982,240 - Step 5: Solve for x
x = 132,955,134,081,982,240/418,440,950.82 - Step 6: Final answer
x = 317,739,298.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.