Finding the Fourth Proportional to 4,695,519,393.72, 6,479,729,590.68 and 2,580,930,132.84
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Solution
The fourth proportional to 4,695,519,393.72, 6,479,729,590.68 and 2,580,930,132.84 is: 3,561,635,668.17
Step by Step Solution
- Step 1: Write the proportion equation
4,695,519,393.72 : 6,479,729,590.68 = 2,580,930,132.84 : x - Step 2: Convert to fraction form
4,695,519,393.72/6,479,729,590.68 = 2,580,930,132.84/x - Step 3: Cross multiply
4,695,519,393.72x = 6,479,729,590.68 × 2,580,930,132.84 - Step 4: Simplify right side
4,695,519,393.72x = 16,723,729,353,241,012,224 - Step 5: Solve for x
x = 16,723,729,353,241,012,224/4,695,519,393.72 - Step 6: Final answer
x = 3,561,635,668.17
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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.