Finding the Fourth Proportional to 356,560,491.68, 491,872,387.86 and 232,873,569.44
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Solution
The fourth proportional to 356,560,491.68, 491,872,387.86 and 232,873,569.44 is: 321,247,253.53
Step by Step Solution
- Step 1: Write the proportion equation
356,560,491.68 : 491,872,387.86 = 232,873,569.44 : x - Step 2: Convert to fraction form
356,560,491.68/491,872,387.86 = 232,873,569.44/x - Step 3: Cross multiply
356,560,491.68x = 491,872,387.86 × 232,873,569.44 - Step 4: Simplify right side
356,560,491.68x = 114,544,078,669,934,320 - Step 5: Solve for x
x = 114,544,078,669,934,320/356,560,491.68 - Step 6: Final answer
x = 321,247,253.53
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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.