Finding the Fourth Proportional to 889,622,882.88, 1,227,689,564.88 and 508,195,432.41
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Solution
The fourth proportional to 889,622,882.88, 1,227,689,564.88 and 508,195,432.41 is: 701,315,401.50
Step by Step Solution
- Step 1: Write the proportion equation
889,622,882.88 : 1,227,689,564.88 = 508,195,432.41 : x - Step 2: Convert to fraction form
889,622,882.88/1,227,689,564.88 = 508,195,432.41/x - Step 3: Cross multiply
889,622,882.88x = 1,227,689,564.88 × 508,195,432.41 - Step 4: Simplify right side
889,622,882.88x = 623,906,229,289,436,416 - Step 5: Solve for x
x = 623,906,229,289,436,416/889,622,882.88 - Step 6: Final answer
x = 701,315,401.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.