Finding the Fourth Proportional to 4,086,240,753.81, 6,129,361,211.82 and 980,823,397.13
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Solution
The fourth proportional to 4,086,240,753.81, 6,129,361,211.82 and 980,823,397.13 is: 1,471,235,115.16
Step by Step Solution
- Step 1: Write the proportion equation
4,086,240,753.81 : 6,129,361,211.82 = 980,823,397.13 : x - Step 2: Convert to fraction form
4,086,240,753.81/6,129,361,211.82 = 980,823,397.13/x - Step 3: Cross multiply
4,086,240,753.81x = 6,129,361,211.82 × 980,823,397.13 - Step 4: Simplify right side
4,086,240,753.81x = 6,011,820,886,008,506,368 - Step 5: Solve for x
x = 6,011,820,886,008,506,368/4,086,240,753.81 - Step 6: Final answer
x = 1,471,235,115.16
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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.