Finding the Fourth Proportional to 407,739,919,779.48, 611,634,395,412.18 and 124,761,214,738.92
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Solution
The fourth proportional to 407,739,919,779.48, 611,634,395,412.18 and 124,761,214,738.92 is: 187,149,323,492.78
Step by Step Solution
- Step 1: Write the proportion equation
407,739,919,779.48 : 611,634,395,412.18 = 124,761,214,738.92 : x - Step 2: Convert to fraction form
407,739,919,779.48/611,634,395,412.18 = 124,761,214,738.92/x - Step 3: Cross multiply
407,739,919,779.48x = 611,634,395,412.18 × 124,761,214,738.92 - Step 4: Simplify right side
407,739,919,779.48x = 76,308,250,147,728,492,855,296 - Step 5: Solve for x
x = 76,308,250,147,728,492,855,296/407,739,919,779.48 - Step 6: Final answer
x = 187,149,323,492.78
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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.