Finding the Fourth Proportional to 362,472,226.98, 543,979,117.07 and 245,610,491.62
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Solution
The fourth proportional to 362,472,226.98, 543,979,117.07 and 245,610,491.62 is: 368,599,215.14
Step by Step Solution
- Step 1: Write the proportion equation
362,472,226.98 : 543,979,117.07 = 245,610,491.62 : x - Step 2: Convert to fraction form
362,472,226.98/543,979,117.07 = 245,610,491.62/x - Step 3: Cross multiply
362,472,226.98x = 543,979,117.07 × 245,610,491.62 - Step 4: Simplify right side
362,472,226.98x = 133,606,978,374,576,256 - Step 5: Solve for x
x = 133,606,978,374,576,256/362,472,226.98 - Step 6: Final answer
x = 368,599,215.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.