Finding the Fourth Proportional to 6,378,268,237.80, 9,567,402,356.70 and 5,766,048,205.80
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Solution
The fourth proportional to 6,378,268,237.80, 9,567,402,356.70 and 5,766,048,205.80 is: 8,649,072,308.70
Step by Step Solution
- Step 1: Write the proportion equation
6,378,268,237.80 : 9,567,402,356.70 = 5,766,048,205.80 : x - Step 2: Convert to fraction form
6,378,268,237.80/9,567,402,356.70 = 5,766,048,205.80/x - Step 3: Cross multiply
6,378,268,237.80x = 9,567,402,356.70 × 5,766,048,205.80 - Step 4: Simplify right side
6,378,268,237.80x = 55,166,103,193,016,729,600 - Step 5: Solve for x
x = 55,166,103,193,016,729,600/6,378,268,237.80 - Step 6: Final answer
x = 8,649,072,308.70
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1.5x scale
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.