Finding the Fourth Proportional to 1,896,816,131.62, 2,617,637,251.70 and 1,038,476,390.54
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Solution
The fourth proportional to 1,896,816,131.62, 2,617,637,251.70 and 1,038,476,390.54 is: 1,433,114,385.52
Step by Step Solution
- Step 1: Write the proportion equation
1,896,816,131.62 : 2,617,637,251.70 = 1,038,476,390.54 : x - Step 2: Convert to fraction form
1,896,816,131.62/2,617,637,251.70 = 1,038,476,390.54/x - Step 3: Cross multiply
1,896,816,131.62x = 2,617,637,251.70 × 1,038,476,390.54 - Step 4: Simplify right side
1,896,816,131.62x = 2,718,354,484,895,524,864 - Step 5: Solve for x
x = 2,718,354,484,895,524,864/1,896,816,131.62 - Step 6: Final answer
x = 1,433,114,385.52
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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.