Finding the Fourth Proportional to 1,053,704,118.24, 1,579,943,519.19 and 398,705,742.96
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Solution
The fourth proportional to 1,053,704,118.24, 1,579,943,519.19 and 398,705,742.96 is: 597,826,793.83
Step by Step Solution
- Step 1: Write the proportion equation
1,053,704,118.24 : 1,579,943,519.19 = 398,705,742.96 : x - Step 2: Convert to fraction form
1,053,704,118.24/1,579,943,519.19 = 398,705,742.96/x - Step 3: Cross multiply
1,053,704,118.24x = 1,579,943,519.19 × 398,705,742.96 - Step 4: Simplify right side
1,053,704,118.24x = 629,932,554,653,485,952 - Step 5: Solve for x
x = 629,932,554,653,485,952/1,053,704,118.24 - Step 6: Final answer
x = 597,826,793.83
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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.