Finding the Fourth Proportional to 531,444,121.20, 797,166,181.80 and 298,991,827.80
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Solution
The fourth proportional to 531,444,121.20, 797,166,181.80 and 298,991,827.80 is: 448,487,741.70
Step by Step Solution
- Step 1: Write the proportion equation
531,444,121.20 : 797,166,181.80 = 298,991,827.80 : x - Step 2: Convert to fraction form
531,444,121.20/797,166,181.80 = 298,991,827.80/x - Step 3: Cross multiply
531,444,121.20x = 797,166,181.80 × 298,991,827.80 - Step 4: Simplify right side
531,444,121.20x = 238,346,173,756,729,088 - Step 5: Solve for x
x = 238,346,173,756,729,088/531,444,121.20 - Step 6: Final answer
x = 448,487,741.70
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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.