Finding the Fourth Proportional to 2,650,644,583.20, 3,975,966,874.80 and 1,176,214,672.80
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Solution
The fourth proportional to 2,650,644,583.20, 3,975,966,874.80 and 1,176,214,672.80 is: 1,764,322,009.20
Step by Step Solution
- Step 1: Write the proportion equation
2,650,644,583.20 : 3,975,966,874.80 = 1,176,214,672.80 : x - Step 2: Convert to fraction form
2,650,644,583.20/3,975,966,874.80 = 1,176,214,672.80/x - Step 3: Cross multiply
2,650,644,583.20x = 3,975,966,874.80 × 1,176,214,672.80 - Step 4: Simplify right side
2,650,644,583.20x = 4,676,590,576,706,521,088 - Step 5: Solve for x
x = 4,676,590,576,706,521,088/2,650,644,583.20 - Step 6: Final answer
x = 1,764,322,009.20
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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.