Finding the Fourth Proportional to 509,057,201.80, 763,585,802.70 and 202,349,314.68
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Solution
The fourth proportional to 509,057,201.80, 763,585,802.70 and 202,349,314.68 is: 303,523,972.02
Step by Step Solution
- Step 1: Write the proportion equation
509,057,201.80 : 763,585,802.70 = 202,349,314.68 : x - Step 2: Convert to fraction form
509,057,201.80/763,585,802.70 = 202,349,314.68/x - Step 3: Cross multiply
509,057,201.80x = 763,585,802.70 × 202,349,314.68 - Step 4: Simplify right side
509,057,201.80x = 154,511,063,875,722,720 - Step 5: Solve for x
x = 154,511,063,875,722,720/509,057,201.80 - Step 6: Final answer
x = 303,523,972.02
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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.