Finding the Fourth Proportional to 440,037,867.60, 660,056,923.71 and 163,652,969.97
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Solution
The fourth proportional to 440,037,867.60, 660,056,923.71 and 163,652,969.97 is: 245,479,500.44
Step by Step Solution
- Step 1: Write the proportion equation
440,037,867.60 : 660,056,923.71 = 163,652,969.97 : x - Step 2: Convert to fraction form
440,037,867.60/660,056,923.71 = 163,652,969.97/x - Step 3: Cross multiply
440,037,867.60x = 660,056,923.71 × 163,652,969.97 - Step 4: Simplify right side
440,037,867.60x = 108,020,275,914,403,216 - Step 5: Solve for x
x = 108,020,275,914,403,216/440,037,867.60 - Step 6: Final answer
x = 245,479,500.44
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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.