Finding the Fourth Proportional to 7,558,286,802.40, 11,337,430,203.60 and 2,650,322,879.20
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Solution
The fourth proportional to 7,558,286,802.40, 11,337,430,203.60 and 2,650,322,879.20 is: 3,975,484,318.80
Step by Step Solution
- Step 1: Write the proportion equation
7,558,286,802.40 : 11,337,430,203.60 = 2,650,322,879.20 : x - Step 2: Convert to fraction form
7,558,286,802.40/11,337,430,203.60 = 2,650,322,879.20/x - Step 3: Cross multiply
7,558,286,802.40x = 11,337,430,203.60 × 2,650,322,879.20 - Step 4: Simplify right side
7,558,286,802.40x = 30,047,850,659,934,191,616 - Step 5: Solve for x
x = 30,047,850,659,934,191,616/7,558,286,802.40 - Step 6: Final answer
x = 3,975,484,318.80
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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.