Finding the Fourth Proportional to 5,279,417,999.10, 7,919,126,998.65 and 2,830,537,871.10
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Solution
The fourth proportional to 5,279,417,999.10, 7,919,126,998.65 and 2,830,537,871.10 is: 4,245,806,806.65
Step by Step Solution
- Step 1: Write the proportion equation
5,279,417,999.10 : 7,919,126,998.65 = 2,830,537,871.10 : x - Step 2: Convert to fraction form
5,279,417,999.10/7,919,126,998.65 = 2,830,537,871.10/x - Step 3: Cross multiply
5,279,417,999.10x = 7,919,126,998.65 × 2,830,537,871.10 - Step 4: Simplify right side
5,279,417,999.10x = 22,415,388,875,729,301,504 - Step 5: Solve for x
x = 22,415,388,875,729,301,504/5,279,417,999.10 - Step 6: Final answer
x = 4,245,806,806.65
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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.