Finding the Fourth Proportional to 8,275,615,497.60, 12,413,423,246.40 and 4,343,802,403.20
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Solution
The fourth proportional to 8,275,615,497.60, 12,413,423,246.40 and 4,343,802,403.20 is: 6,515,703,604.80
Step by Step Solution
- Step 1: Write the proportion equation
8,275,615,497.60 : 12,413,423,246.40 = 4,343,802,403.20 : x - Step 2: Convert to fraction form
8,275,615,497.60/12,413,423,246.40 = 4,343,802,403.20/x - Step 3: Cross multiply
8,275,615,497.60x = 12,413,423,246.40 × 4,343,802,403.20 - Step 4: Simplify right side
8,275,615,497.60x = 53,921,457,729,651,064,832 - Step 5: Solve for x
x = 53,921,457,729,651,064,832/8,275,615,497.60 - Step 6: Final answer
x = 6,515,703,604.80
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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.