Finding the Fourth Proportional to 220,551,216,124.32, 330,923,051,237.68 and 77,233,108,375.80
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Solution
The fourth proportional to 220,551,216,124.32, 330,923,051,237.68 and 77,233,108,375.80 is: 115,883,359,563.45
Step by Step Solution
- Step 1: Write the proportion equation
220,551,216,124.32 : 330,923,051,237.68 = 77,233,108,375.80 : x - Step 2: Convert to fraction form
220,551,216,124.32/330,923,051,237.68 = 77,233,108,375.80/x - Step 3: Cross multiply
220,551,216,124.32x = 330,923,051,237.68 × 77,233,108,375.80 - Step 4: Simplify right side
220,551,216,124.32x = 25,558,215,880,290,154,315,776 - Step 5: Solve for x
x = 25,558,215,880,290,154,315,776/220,551,216,124.32 - Step 6: Final answer
x = 115,883,359,563.45
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1.5x scale
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.