Finding the Fourth Proportional to 775,848,078.70, 1,164,338,988.45 and 546,265,566.70
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Solution
The fourth proportional to 775,848,078.70, 1,164,338,988.45 and 546,265,566.70 is: 819,797,476.87
Step by Step Solution
- Step 1: Write the proportion equation
775,848,078.70 : 1,164,338,988.45 = 546,265,566.70 : x - Step 2: Convert to fraction form
775,848,078.70/1,164,338,988.45 = 546,265,566.70/x - Step 3: Cross multiply
775,848,078.70x = 1,164,338,988.45 × 546,265,566.70 - Step 4: Simplify right side
775,848,078.70x = 636,038,297,356,544,128 - Step 5: Solve for x
x = 636,038,297,356,544,128/775,848,078.70 - Step 6: Final answer
x = 819,797,476.87
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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.