Finding the Fourth Proportional to 652,848,020.20, 979,272,030.30 and 504,894,845.80
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Solution
The fourth proportional to 652,848,020.20, 979,272,030.30 and 504,894,845.80 is: 757,342,268.70
Step by Step Solution
- Step 1: Write the proportion equation
652,848,020.20 : 979,272,030.30 = 504,894,845.80 : x - Step 2: Convert to fraction form
652,848,020.20/979,272,030.30 = 504,894,845.80/x - Step 3: Cross multiply
652,848,020.20x = 979,272,030.30 × 504,894,845.80 - Step 4: Simplify right side
652,848,020.20x = 494,429,400,734,571,392 - Step 5: Solve for x
x = 494,429,400,734,571,392/652,848,020.20 - Step 6: Final answer
x = 757,342,268.70
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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.