Finding the Fourth Proportional to 5,129,166,846.80, 7,693,750,270.20 and 4,843,464,165.20
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Solution
The fourth proportional to 5,129,166,846.80, 7,693,750,270.20 and 4,843,464,165.20 is: 7,265,196,247.80
Step by Step Solution
- Step 1: Write the proportion equation
5,129,166,846.80 : 7,693,750,270.20 = 4,843,464,165.20 : x - Step 2: Convert to fraction form
5,129,166,846.80/7,693,750,270.20 = 4,843,464,165.20/x - Step 3: Cross multiply
5,129,166,846.80x = 7,693,750,270.20 × 4,843,464,165.20 - Step 4: Simplify right side
5,129,166,846.80x = 37,264,403,729,711,513,600 - Step 5: Solve for x
x = 37,264,403,729,711,513,600/5,129,166,846.80 - Step 6: Final answer
x = 7,265,196,247.80
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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.