Finding the Fourth Proportional to 511,068,821.80, 766,603,232.70 and 220,075,349.80
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Solution
The fourth proportional to 511,068,821.80, 766,603,232.70 and 220,075,349.80 is: 330,113,024.70
Step by Step Solution
- Step 1: Write the proportion equation
511,068,821.80 : 766,603,232.70 = 220,075,349.80 : x - Step 2: Convert to fraction form
511,068,821.80/766,603,232.70 = 220,075,349.80/x - Step 3: Cross multiply
511,068,821.80x = 766,603,232.70 × 220,075,349.80 - Step 4: Simplify right side
511,068,821.80x = 168,710,474,594,263,328 - Step 5: Solve for x
x = 168,710,474,594,263,328/511,068,821.80 - Step 6: Final answer
x = 330,113,024.70
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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.