Finding the Fourth Proportional to 6,248,543,741.52, 8,622,420,420.36 and 3,707,787,879.60
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Solution
The fourth proportional to 6,248,543,741.52, 8,622,420,420.36 and 3,707,787,879.60 is: 5,116,409,078.65
Step by Step Solution
- Step 1: Write the proportion equation
6,248,543,741.52 : 8,622,420,420.36 = 3,707,787,879.60 : x - Step 2: Convert to fraction form
6,248,543,741.52/8,622,420,420.36 = 3,707,787,879.60/x - Step 3: Cross multiply
6,248,543,741.52x = 8,622,420,420.36 × 3,707,787,879.60 - Step 4: Simplify right side
6,248,543,741.52x = 31,970,105,927,426,347,008 - Step 5: Solve for x
x = 31,970,105,927,426,347,008/6,248,543,741.52 - Step 6: Final answer
x = 5,116,409,078.65
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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.