Finding the Fourth Proportional to 1,267,569,846.92, 1,747,225,244.29 and 999,208,043.63
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Solution
The fourth proportional to 1,267,569,846.92, 1,747,225,244.29 and 999,208,043.63 is: 1,377,313,859.57
Step by Step Solution
- Step 1: Write the proportion equation
1,267,569,846.92 : 1,747,225,244.29 = 999,208,043.63 : x - Step 2: Convert to fraction form
1,267,569,846.92/1,747,225,244.29 = 999,208,043.63/x - Step 3: Cross multiply
1,267,569,846.92x = 1,747,225,244.29 × 999,208,043.63 - Step 4: Simplify right side
1,267,569,846.92x = 1,745,841,518,122,963,712 - Step 5: Solve for x
x = 1,745,841,518,122,963,712/1,267,569,846.92 - Step 6: Final answer
x = 1,377,313,859.57
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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.