Finding the Fourth Proportional to 4,845,891,410.40, 7,268,837,115.60 and 3,684,940,831.20
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Solution
The fourth proportional to 4,845,891,410.40, 7,268,837,115.60 and 3,684,940,831.20 is: 5,527,411,246.80
Step by Step Solution
- Step 1: Write the proportion equation
4,845,891,410.40 : 7,268,837,115.60 = 3,684,940,831.20 : x - Step 2: Convert to fraction form
4,845,891,410.40/7,268,837,115.60 = 3,684,940,831.20/x - Step 3: Cross multiply
4,845,891,410.40x = 7,268,837,115.60 × 3,684,940,831.20 - Step 4: Simplify right side
4,845,891,410.40x = 26,785,234,682,616,475,648 - Step 5: Solve for x
x = 26,785,234,682,616,475,648/4,845,891,410.40 - Step 6: Final answer
x = 5,527,411,246.80
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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.