Finding the Fourth Proportional to 1,552,983,490.21, 2,329,802,440.83 and 503,639,872.31
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Solution
The fourth proportional to 1,552,983,490.21, 2,329,802,440.83 and 503,639,872.31 is: 755,565,922.75
Step by Step Solution
- Step 1: Write the proportion equation
1,552,983,490.21 : 2,329,802,440.83 = 503,639,872.31 : x - Step 2: Convert to fraction form
1,552,983,490.21/2,329,802,440.83 = 503,639,872.31/x - Step 3: Cross multiply
1,552,983,490.21x = 2,329,802,440.83 × 503,639,872.31 - Step 4: Simplify right side
1,552,983,490.21x = 1,173,381,403,795,498,496 - Step 5: Solve for x
x = 1,173,381,403,795,498,496/1,552,983,490.21 - Step 6: Final answer
x = 755,565,922.75
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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.