Finding the Fourth Proportional to 498,203,610.30, 747,305,415.45 and 129,737,850.30
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Solution
The fourth proportional to 498,203,610.30, 747,305,415.45 and 129,737,850.30 is: 194,606,775.45
Step by Step Solution
- Step 1: Write the proportion equation
498,203,610.30 : 747,305,415.45 = 129,737,850.30 : x - Step 2: Convert to fraction form
498,203,610.30/747,305,415.45 = 129,737,850.30/x - Step 3: Cross multiply
498,203,610.30x = 747,305,415.45 × 129,737,850.30 - Step 4: Simplify right side
498,203,610.30x = 96,953,798,118,031,408 - Step 5: Solve for x
x = 96,953,798,118,031,408/498,203,610.30 - Step 6: Final answer
x = 194,606,775.45
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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.