Finding the Fourth Proportional to 1,062,912,245.40, 1,594,368,368.10 and 652,638,043.80
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Solution
The fourth proportional to 1,062,912,245.40, 1,594,368,368.10 and 652,638,043.80 is: 978,957,065.70
Step by Step Solution
- Step 1: Write the proportion equation
1,062,912,245.40 : 1,594,368,368.10 = 652,638,043.80 : x - Step 2: Convert to fraction form
1,062,912,245.40/1,594,368,368.10 = 652,638,043.80/x - Step 3: Cross multiply
1,062,912,245.40x = 1,594,368,368.10 × 652,638,043.80 - Step 4: Simplify right side
1,062,912,245.40x = 1,040,545,452,853,382,144 - Step 5: Solve for x
x = 1,040,545,452,853,382,144/1,062,912,245.40 - Step 6: Final answer
x = 978,957,065.70
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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.