Finding the Fourth Proportional to 525,985,327.13, 725,860,601.75 and 291,045,889.85
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Solution
The fourth proportional to 525,985,327.13, 725,860,601.75 and 291,045,889.85 is: 401,643,798.50
Step by Step Solution
- Step 1: Write the proportion equation
525,985,327.13 : 725,860,601.75 = 291,045,889.85 : x - Step 2: Convert to fraction form
525,985,327.13/725,860,601.75 = 291,045,889.85/x - Step 3: Cross multiply
525,985,327.13x = 725,860,601.75 × 291,045,889.85 - Step 4: Simplify right side
525,985,327.13x = 211,258,744,741,930,016 - Step 5: Solve for x
x = 211,258,744,741,930,016/525,985,327.13 - Step 6: Final answer
x = 401,643,798.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.