Finding the Fourth Proportional to 7,772,589,299.68, 11,658,883,575.86 and 2,177,354,831.28
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Solution
The fourth proportional to 7,772,589,299.68, 11,658,883,575.86 and 2,177,354,831.28 is: 3,266,032,142.25
Step by Step Solution
- Step 1: Write the proportion equation
7,772,589,299.68 : 11,658,883,575.86 = 2,177,354,831.28 : x - Step 2: Convert to fraction form
7,772,589,299.68/11,658,883,575.86 = 2,177,354,831.28/x - Step 3: Cross multiply
7,772,589,299.68x = 11,658,883,575.86 × 2,177,354,831.28 - Step 4: Simplify right side
7,772,589,299.68x = 25,385,526,481,229,815,808 - Step 5: Solve for x
x = 25,385,526,481,229,815,808/7,772,589,299.68 - Step 6: Final answer
x = 3,266,032,142.25
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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.