Finding the Fourth Proportional to 989,534,144.63, 1,365,583,786.58 and 582,193,286.71
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Solution
The fourth proportional to 989,534,144.63, 1,365,583,786.58 and 582,193,286.71 is: 803,442,425.20
Step by Step Solution
- Step 1: Write the proportion equation
989,534,144.63 : 1,365,583,786.58 = 582,193,286.71 : x - Step 2: Convert to fraction form
989,534,144.63/1,365,583,786.58 = 582,193,286.71/x - Step 3: Cross multiply
989,534,144.63x = 1,365,583,786.58 × 582,193,286.71 - Step 4: Simplify right side
989,534,144.63x = 795,033,712,983,986,560 - Step 5: Solve for x
x = 795,033,712,983,986,560/989,534,144.63 - Step 6: Final answer
x = 803,442,425.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.