Finding the Fourth Proportional to 531,535,207.70, 797,302,811.55 and 531,535,207.70
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Solution
The fourth proportional to 531,535,207.70, 797,302,811.55 and 531,535,207.70 is: 797,302,811.55
Step by Step Solution
- Step 1: Write the proportion equation
531,535,207.70 : 797,302,811.55 = 531,535,207.70 : x - Step 2: Convert to fraction form
531,535,207.70/797,302,811.55 = 531,535,207.70/x - Step 3: Cross multiply
531,535,207.70x = 797,302,811.55 × 531,535,207.70 - Step 4: Simplify right side
531,535,207.70x = 423,794,515,537,023,168 - Step 5: Solve for x
x = 423,794,515,537,023,168/531,535,207.70 - Step 6: Final answer
x = 797,302,811.55
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Double scale
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Similar ratio
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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.