Finding the Fourth Proportional to 775,848,075.20, 1,164,338,983.20 and 546,265,563.20
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Solution
The fourth proportional to 775,848,075.20, 1,164,338,983.20 and 546,265,563.20 is: 819,797,471.62
Step by Step Solution
- Step 1: Write the proportion equation
775,848,075.20 : 1,164,338,983.20 = 546,265,563.20 : x - Step 2: Convert to fraction form
775,848,075.20/1,164,338,983.20 = 546,265,563.20/x - Step 3: Cross multiply
775,848,075.20x = 1,164,338,983.20 × 546,265,563.20 - Step 4: Simplify right side
775,848,075.20x = 636,038,290,413,463,424 - Step 5: Solve for x
x = 636,038,290,413,463,424/775,848,075.20 - Step 6: Final answer
x = 819,797,471.62
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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.