Finding the Fourth Proportional to 1,793,536,266.80, 2,690,304,400.20 and 826,077,450.80
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Solution
The fourth proportional to 1,793,536,266.80, 2,690,304,400.20 and 826,077,450.80 is: 1,239,116,176.20
Step by Step Solution
- Step 1: Write the proportion equation
1,793,536,266.80 : 2,690,304,400.20 = 826,077,450.80 : x - Step 2: Convert to fraction form
1,793,536,266.80/2,690,304,400.20 = 826,077,450.80/x - Step 3: Cross multiply
1,793,536,266.80x = 2,690,304,400.20 × 826,077,450.80 - Step 4: Simplify right side
1,793,536,266.80x = 2,222,399,800,793,238,784 - Step 5: Solve for x
x = 2,222,399,800,793,238,784/1,793,536,266.80 - Step 6: Final answer
x = 1,239,116,176.20
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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.