Finding the Fourth Proportional to 579,414,452.60, 869,275,643.70 and 251,749,364.60
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Solution
The fourth proportional to 579,414,452.60, 869,275,643.70 and 251,749,364.60 is: 377,690,942.95
Step by Step Solution
- Step 1: Write the proportion equation
579,414,452.60 : 869,275,643.70 = 251,749,364.60 : x - Step 2: Convert to fraction form
579,414,452.60/869,275,643.70 = 251,749,364.60/x - Step 3: Cross multiply
579,414,452.60x = 869,275,643.70 × 251,749,364.60 - Step 4: Simplify right side
579,414,452.60x = 218,839,590,963,731,008 - Step 5: Solve for x
x = 218,839,590,963,731,008/579,414,452.60 - Step 6: Final answer
x = 377,690,942.95
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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.