Finding the Fourth Proportional to 1,637,205,696,879.20, 2,455,808,545,318.80 and 576,870,834,543.20
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Solution
The fourth proportional to 1,637,205,696,879.20, 2,455,808,545,318.80 and 576,870,834,543.20 is: 865,306,251,814.80
Step by Step Solution
- Step 1: Write the proportion equation
1,637,205,696,879.20 : 2,455,808,545,318.80 = 576,870,834,543.20 : x - Step 2: Convert to fraction form
1,637,205,696,879.20/2,455,808,545,318.80 = 576,870,834,543.20/x - Step 3: Cross multiply
1,637,205,696,879.20x = 2,455,808,545,318.80 × 576,870,834,543.20 - Step 4: Simplify right side
1,637,205,696,879.20x = 1,416,684,325,016,377,982,189,568 - Step 5: Solve for x
x = 1,416,684,325,016,377,982,189,568/1,637,205,696,879.20 - Step 6: Final answer
x = 865,306,251,814.80
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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.