Finding the Fourth Proportional to 489,873,649.60, 734,810,474.40 and 367,429,643.20
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Solution
The fourth proportional to 489,873,649.60, 734,810,474.40 and 367,429,643.20 is: 551,144,464.80
Step by Step Solution
- Step 1: Write the proportion equation
489,873,649.60 : 734,810,474.40 = 367,429,643.20 : x - Step 2: Convert to fraction form
489,873,649.60/734,810,474.40 = 367,429,643.20/x - Step 3: Cross multiply
489,873,649.60x = 734,810,474.40 × 367,429,643.20 - Step 4: Simplify right side
489,873,649.60x = 269,991,150,428,414,720 - Step 5: Solve for x
x = 269,991,150,428,414,720/489,873,649.60 - Step 6: Final answer
x = 551,144,464.80
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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.