Finding the Fourth Proportional to 767,526,183.55, 1,059,186,134.96 and 415,102,174.25
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Solution
The fourth proportional to 767,526,183.55, 1,059,186,134.96 and 415,102,174.25 is: 572,841,001.37
Step by Step Solution
- Step 1: Write the proportion equation
767,526,183.55 : 1,059,186,134.96 = 415,102,174.25 : x - Step 2: Convert to fraction form
767,526,183.55/1,059,186,134.96 = 415,102,174.25/x - Step 3: Cross multiply
767,526,183.55x = 1,059,186,134.96 × 415,102,174.25 - Step 4: Simplify right side
767,526,183.55x = 439,670,467,558,681,408 - Step 5: Solve for x
x = 439,670,467,558,681,408/767,526,183.55 - Step 6: Final answer
x = 572,841,001.37
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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.