Finding the Fourth Proportional to 1,259,713,052.20, 1,889,569,578.30 and 933,195,701.80
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Solution
The fourth proportional to 1,259,713,052.20, 1,889,569,578.30 and 933,195,701.80 is: 1,399,793,552.70
Step by Step Solution
- Step 1: Write the proportion equation
1,259,713,052.20 : 1,889,569,578.30 = 933,195,701.80 : x - Step 2: Convert to fraction form
1,259,713,052.20/1,889,569,578.30 = 933,195,701.80/x - Step 3: Cross multiply
1,259,713,052.20x = 1,889,569,578.30 × 933,195,701.80 - Step 4: Simplify right side
1,259,713,052.20x = 1,763,338,208,721,598,464 - Step 5: Solve for x
x = 1,763,338,208,721,598,464/1,259,713,052.20 - Step 6: Final answer
x = 1,399,793,552.70
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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.