Finding the Fourth Proportional to 1,497,640,121.57, 2,242,088,981.65 and 873,944,113.25
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Solution
The fourth proportional to 1,497,640,121.57, 2,242,088,981.65 and 873,944,113.25 is: 1,308,365,366.73
Step by Step Solution
- Step 1: Write the proportion equation
1,497,640,121.57 : 2,242,088,981.65 = 873,944,113.25 : x - Step 2: Convert to fraction form
1,497,640,121.57/2,242,088,981.65 = 873,944,113.25/x - Step 3: Cross multiply
1,497,640,121.57x = 2,242,088,981.65 × 873,944,113.25 - Step 4: Simplify right side
1,497,640,121.57x = 1,959,460,466,891,334,912 - Step 5: Solve for x
x = 1,959,460,466,891,334,912/1,497,640,121.57 - Step 6: Final answer
x = 1,308,365,366.73
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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.