Finding the Fourth Proportional to 531,455,821.80, 797,183,732.70 and 167,950,177.80
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Solution
The fourth proportional to 531,455,821.80, 797,183,732.70 and 167,950,177.80 is: 251,925,266.70
Step by Step Solution
- Step 1: Write the proportion equation
531,455,821.80 : 797,183,732.70 = 167,950,177.80 : x - Step 2: Convert to fraction form
531,455,821.80/797,183,732.70 = 167,950,177.80/x - Step 3: Cross multiply
531,455,821.80x = 797,183,732.70 × 167,950,177.80 - Step 4: Simplify right side
531,455,821.80x = 133,887,149,646,232,688 - Step 5: Solve for x
x = 133,887,149,646,232,688/531,455,821.80 - Step 6: Final answer
x = 251,925,266.70
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1.5x scale
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.