Finding the Fourth Proportional to 370,258,486.62, 511,008,761.79 and 229,174,960.02
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Solution
The fourth proportional to 370,258,486.62, 511,008,761.79 and 229,174,960.02 is: 316,293,661.82
Step by Step Solution
- Step 1: Write the proportion equation
370,258,486.62 : 511,008,761.79 = 229,174,960.02 : x - Step 2: Convert to fraction form
370,258,486.62/511,008,761.79 = 229,174,960.02/x - Step 3: Cross multiply
370,258,486.62x = 511,008,761.79 × 229,174,960.02 - Step 4: Simplify right side
370,258,486.62x = 117,110,412,553,092,960 - Step 5: Solve for x
x = 117,110,412,553,092,960/370,258,486.62 - Step 6: Final answer
x = 316,293,661.82
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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.