Finding the Fourth Proportional to 352,296,547.80, 528,444,821.70 and 335,290,435.80
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Solution
The fourth proportional to 352,296,547.80, 528,444,821.70 and 335,290,435.80 is: 502,935,653.70
Step by Step Solution
- Step 1: Write the proportion equation
352,296,547.80 : 528,444,821.70 = 335,290,435.80 : x - Step 2: Convert to fraction form
352,296,547.80/528,444,821.70 = 335,290,435.80/x - Step 3: Cross multiply
352,296,547.80x = 528,444,821.70 × 335,290,435.80 - Step 4: Simplify right side
352,296,547.80x = 177,182,494,564,046,304 - Step 5: Solve for x
x = 177,182,494,564,046,304/352,296,547.80 - Step 6: Final answer
x = 502,935,653.70
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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.