Finding the Fourth Proportional to 1,340,518,208.67, 1,849,932,145.60 and 737,758,232.44
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Solution
The fourth proportional to 1,340,518,208.67, 1,849,932,145.60 and 737,758,232.44 is: 1,018,115,726.47
Step by Step Solution
- Step 1: Write the proportion equation
1,340,518,208.67 : 1,849,932,145.60 = 737,758,232.44 : x - Step 2: Convert to fraction form
1,340,518,208.67/1,849,932,145.60 = 737,758,232.44/x - Step 3: Cross multiply
1,340,518,208.67x = 1,849,932,145.60 × 737,758,232.44 - Step 4: Simplify right side
1,340,518,208.67x = 1,364,802,669,865,323,520 - Step 5: Solve for x
x = 1,364,802,669,865,323,520/1,340,518,208.67 - Step 6: Final answer
x = 1,018,115,726.47
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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.