Finding the Fourth Proportional to 6,419,901,337.68, 8,828,047,350.81 and 5,571,656,013.66
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Solution
The fourth proportional to 6,419,901,337.68, 8,828,047,350.81 and 5,571,656,013.66 is: 7,661,619,785.70
Step by Step Solution
- Step 1: Write the proportion equation
6,419,901,337.68 : 8,828,047,350.81 = 5,571,656,013.66 : x - Step 2: Convert to fraction form
6,419,901,337.68/8,828,047,350.81 = 5,571,656,013.66/x - Step 3: Cross multiply
6,419,901,337.68x = 8,828,047,350.81 × 5,571,656,013.66 - Step 4: Simplify right side
6,419,901,337.68x = 49,186,843,111,015,759,872 - Step 5: Solve for x
x = 49,186,843,111,015,759,872/6,419,901,337.68 - Step 6: Final answer
x = 7,661,619,785.70
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1.5x scale
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.