Finding the Fourth Proportional to 724,544,363,820.80, 1,086,816,545,731.20 and 194,606,704,121.60
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Solution
The fourth proportional to 724,544,363,820.80, 1,086,816,545,731.20 and 194,606,704,121.60 is: 291,910,056,182.40
Step by Step Solution
- Step 1: Write the proportion equation
724,544,363,820.80 : 1,086,816,545,731.20 = 194,606,704,121.60 : x - Step 2: Convert to fraction form
724,544,363,820.80/1,086,816,545,731.20 = 194,606,704,121.60/x - Step 3: Cross multiply
724,544,363,820.80x = 1,086,816,545,731.20 × 194,606,704,121.60 - Step 4: Simplify right side
724,544,363,820.80x = 211,501,785,949,570,976,448,512 - Step 5: Solve for x
x = 211,501,785,949,570,976,448,512/724,544,363,820.80 - Step 6: Final answer
x = 291,910,056,182.40
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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.