Finding the Fourth Proportional to 664,304,580.90, 996,456,871.35 and 492,117,696.90
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Solution
The fourth proportional to 664,304,580.90, 996,456,871.35 and 492,117,696.90 is: 738,176,545.35
Step by Step Solution
- Step 1: Write the proportion equation
664,304,580.90 : 996,456,871.35 = 492,117,696.90 : x - Step 2: Convert to fraction form
664,304,580.90/996,456,871.35 = 492,117,696.90/x - Step 3: Cross multiply
664,304,580.90x = 996,456,871.35 × 492,117,696.90 - Step 4: Simplify right side
664,304,580.90x = 490,374,060,588,941,568 - Step 5: Solve for x
x = 490,374,060,588,941,568/664,304,580.90 - Step 6: Final answer
x = 738,176,545.35
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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.