Finding the Fourth Proportional to 1,649,546,874.64, 2,475,285,158.04 and 615,122,390.80
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Solution
The fourth proportional to 1,649,546,874.64, 2,475,285,158.04 and 615,122,390.80 is: 923,043,381.02
Step by Step Solution
- Step 1: Write the proportion equation
1,649,546,874.64 : 2,475,285,158.04 = 615,122,390.80 : x - Step 2: Convert to fraction form
1,649,546,874.64/2,475,285,158.04 = 615,122,390.80/x - Step 3: Cross multiply
1,649,546,874.64x = 2,475,285,158.04 × 615,122,390.80 - Step 4: Simplify right side
1,649,546,874.64x = 1,522,603,324,325,320,448 - Step 5: Solve for x
x = 1,522,603,324,325,320,448/1,649,546,874.64 - Step 6: Final answer
x = 923,043,381.02
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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.