Finding the Fourth Proportional to 1,047,216,124.26, 1,566,944,048.79 and 839,324,001.24
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Solution
The fourth proportional to 1,047,216,124.26, 1,566,944,048.79 and 839,324,001.24 is: 1,255,876,144.65
Step by Step Solution
- Step 1: Write the proportion equation
1,047,216,124.26 : 1,566,944,048.79 = 839,324,001.24 : x - Step 2: Convert to fraction form
1,047,216,124.26/1,566,944,048.79 = 839,324,001.24/x - Step 3: Cross multiply
1,047,216,124.26x = 1,566,944,048.79 × 839,324,001.24 - Step 4: Simplify right side
1,047,216,124.26x = 1,315,173,748,749,628,672 - Step 5: Solve for x
x = 1,315,173,748,749,628,672/1,047,216,124.26 - Step 6: Final answer
x = 1,255,876,144.65
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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.