Finding the Fourth Proportional to 531,455,817.80, 797,183,726.70 and 167,950,173.80
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Solution
The fourth proportional to 531,455,817.80, 797,183,726.70 and 167,950,173.80 is: 251,925,260.70
Step by Step Solution
- Step 1: Write the proportion equation
531,455,817.80 : 797,183,726.70 = 167,950,173.80 : x - Step 2: Convert to fraction form
531,455,817.80/797,183,726.70 = 167,950,173.80/x - Step 3: Cross multiply
531,455,817.80x = 797,183,726.70 × 167,950,173.80 - Step 4: Simplify right side
531,455,817.80x = 133,887,145,449,796,720 - Step 5: Solve for x
x = 133,887,145,449,796,720/531,455,817.80 - Step 6: Final answer
x = 251,925,260.70
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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.