Finding the Fourth Proportional to 6,471,398,674.87, 8,936,697,971.60 and 6,118,840,986.01
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Solution
The fourth proportional to 6,471,398,674.87, 8,936,697,971.60 and 6,118,840,986.01 is: 8,449,832,343.13
Step by Step Solution
- Step 1: Write the proportion equation
6,471,398,674.87 : 8,936,697,971.60 = 6,118,840,986.01 : x - Step 2: Convert to fraction form
6,471,398,674.87/8,936,697,971.60 = 6,118,840,986.01/x - Step 3: Cross multiply
6,471,398,674.87x = 8,936,697,971.60 × 6,118,840,986.01 - Step 4: Simplify right side
6,471,398,674.87x = 54,682,233,828,218,511,360 - Step 5: Solve for x
x = 54,682,233,828,218,511,360/6,471,398,674.87 - Step 6: Final answer
x = 8,449,832,343.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.