Finding the Fourth Proportional to 5,192,263,285.76, 7,167,794,109.36 and 3,478,563,237.44
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Solution
The fourth proportional to 5,192,263,285.76, 7,167,794,109.36 and 3,478,563,237.44 is: 4,802,072,566.45
Step by Step Solution
- Step 1: Write the proportion equation
5,192,263,285.76 : 7,167,794,109.36 = 3,478,563,237.44 : x - Step 2: Convert to fraction form
5,192,263,285.76/7,167,794,109.36 = 3,478,563,237.44/x - Step 3: Cross multiply
5,192,263,285.76x = 7,167,794,109.36 × 3,478,563,237.44 - Step 4: Simplify right side
5,192,263,285.76x = 24,933,625,082,358,681,600 - Step 5: Solve for x
x = 24,933,625,082,358,681,600/5,192,263,285.76 - Step 6: Final answer
x = 4,802,072,566.45
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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.