Finding the Fourth Proportional to 1,364,202,220.70, 2,046,303,331.05 and 744,329,438.30
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Solution
The fourth proportional to 1,364,202,220.70, 2,046,303,331.05 and 744,329,438.30 is: 1,116,494,157.45
Step by Step Solution
- Step 1: Write the proportion equation
1,364,202,220.70 : 2,046,303,331.05 = 744,329,438.30 : x - Step 2: Convert to fraction form
1,364,202,220.70/2,046,303,331.05 = 744,329,438.30/x - Step 3: Cross multiply
1,364,202,220.70x = 2,046,303,331.05 × 744,329,438.30 - Step 4: Simplify right side
1,364,202,220.70x = 1,523,123,808,991,865,344 - Step 5: Solve for x
x = 1,523,123,808,991,865,344/1,364,202,220.70 - Step 6: Final answer
x = 1,116,494,157.45
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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.