Finding the Fourth Proportional to 1,465,776,368.70, 2,198,664,553.05 and 1,320,657,546.30
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Solution
The fourth proportional to 1,465,776,368.70, 2,198,664,553.05 and 1,320,657,546.30 is: 1,980,986,319.45
Step by Step Solution
- Step 1: Write the proportion equation
1,465,776,368.70 : 2,198,664,553.05 = 1,320,657,546.30 : x - Step 2: Convert to fraction form
1,465,776,368.70/2,198,664,553.05 = 1,320,657,546.30/x - Step 3: Cross multiply
1,465,776,368.70x = 2,198,664,553.05 × 1,320,657,546.30 - Step 4: Simplify right side
1,465,776,368.70x = 2,903,682,933,767,799,296 - Step 5: Solve for x
x = 2,903,682,933,767,799,296/1,465,776,368.70 - Step 6: Final answer
x = 1,980,986,319.45
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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.