Finding the Fourth Proportional to 4,751,724,915, 7,127,859,754.23 and 1,258,039,604.99
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Solution
The fourth proportional to 4,751,724,915, 7,127,859,754.23 and 1,258,039,604.99 is: 1,887,131,521.72
Step by Step Solution
- Step 1: Write the proportion equation
4,751,724,915 : 7,127,859,754.23 = 1,258,039,604.99 : x - Step 2: Convert to fraction form
4,751,724,915/7,127,859,754.23 = 1,258,039,604.99/x - Step 3: Cross multiply
4,751,724,915x = 7,127,859,754.23 × 1,258,039,604.99 - Step 4: Simplify right side
4,751,724,915x = 8,967,129,869,653,447,680 - Step 5: Solve for x
x = 8,967,129,869,653,447,680/4,751,724,915 - Step 6: Final answer
x = 1,887,131,521.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.