Finding the Fourth Proportional to 2,086,562,506.70, 3,129,843,760.05 and 1,119,103,690.70
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Solution
The fourth proportional to 2,086,562,506.70, 3,129,843,760.05 and 1,119,103,690.70 is: 1,678,655,536.05
Step by Step Solution
- Step 1: Write the proportion equation
2,086,562,506.70 : 3,129,843,760.05 = 1,119,103,690.70 : x - Step 2: Convert to fraction form
2,086,562,506.70/3,129,843,760.05 = 1,119,103,690.70/x - Step 3: Cross multiply
2,086,562,506.70x = 3,129,843,760.05 × 1,119,103,690.70 - Step 4: Simplify right side
2,086,562,506.70x = 3,502,619,703,186,320,384 - Step 5: Solve for x
x = 3,502,619,703,186,320,384/2,086,562,506.70 - Step 6: Final answer
x = 1,678,655,536.05
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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.