Finding the Fourth Proportional to 5,717,534,464.80, 8,576,301,697.20 and 1,840,140,928.80
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Solution
The fourth proportional to 5,717,534,464.80, 8,576,301,697.20 and 1,840,140,928.80 is: 2,760,211,393.20
Step by Step Solution
- Step 1: Write the proportion equation
5,717,534,464.80 : 8,576,301,697.20 = 1,840,140,928.80 : x - Step 2: Convert to fraction form
5,717,534,464.80/8,576,301,697.20 = 1,840,140,928.80/x - Step 3: Cross multiply
5,717,534,464.80x = 8,576,301,697.20 × 1,840,140,928.80 - Step 4: Simplify right side
5,717,534,464.80x = 15,781,603,770,754,623,488 - Step 5: Solve for x
x = 15,781,603,770,754,623,488/5,717,534,464.80 - Step 6: Final answer
x = 2,760,211,393.20
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Double scale
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Similar ratio
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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.