Finding the Fourth Proportional to 3,411,129,951.72, 4,707,272,609.30 and 1,905,767,610.12
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Solution
The fourth proportional to 3,411,129,951.72, 4,707,272,609.30 and 1,905,767,610.12 is: 2,629,910,850.01
Step by Step Solution
- Step 1: Write the proportion equation
3,411,129,951.72 : 4,707,272,609.30 = 1,905,767,610.12 : x - Step 2: Convert to fraction form
3,411,129,951.72/4,707,272,609.30 = 1,905,767,610.12/x - Step 3: Cross multiply
3,411,129,951.72x = 4,707,272,609.30 × 1,905,767,610.12 - Step 4: Simplify right side
3,411,129,951.72x = 8,970,967,670,808,996,864 - Step 5: Solve for x
x = 8,970,967,670,808,996,864/3,411,129,951.72 - Step 6: Final answer
x = 2,629,910,850.01
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1.5x scale
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.