Finding the Fourth Proportional to 1,195,690,843.20, 1,793,536,264.80 and 550,718,299.20
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Solution
The fourth proportional to 1,195,690,843.20, 1,793,536,264.80 and 550,718,299.20 is: 826,077,448.80
Step by Step Solution
- Step 1: Write the proportion equation
1,195,690,843.20 : 1,793,536,264.80 = 550,718,299.20 : x - Step 2: Convert to fraction form
1,195,690,843.20/1,793,536,264.80 = 550,718,299.20/x - Step 3: Cross multiply
1,195,690,843.20x = 1,793,536,264.80 × 550,718,299.20 - Step 4: Simplify right side
1,195,690,843.20x = 987,733,241,304,176,896 - Step 5: Solve for x
x = 987,733,241,304,176,896/1,195,690,843.20 - Step 6: Final answer
x = 826,077,448.80
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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.