Finding the Fourth Proportional to 1,793,536,206.80, 2,690,304,310.20 and 826,077,390.80
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Solution
The fourth proportional to 1,793,536,206.80, 2,690,304,310.20 and 826,077,390.80 is: 1,239,116,086.20
Step by Step Solution
- Step 1: Write the proportion equation
1,793,536,206.80 : 2,690,304,310.20 = 826,077,390.80 : x - Step 2: Convert to fraction form
1,793,536,206.80/2,690,304,310.20 = 826,077,390.80/x - Step 3: Cross multiply
1,793,536,206.80x = 2,690,304,310.20 × 826,077,390.80 - Step 4: Simplify right side
1,793,536,206.80x = 2,222,399,565,028,009,472 - Step 5: Solve for x
x = 2,222,399,565,028,009,472/1,793,536,206.80 - Step 6: Final answer
x = 1,239,116,086.20
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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.