Finding the Fourth Proportional to 5,486,162,552.40, 7,570,898,560.80 and 2,980,038,224.28
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Solution
The fourth proportional to 5,486,162,552.40, 7,570,898,560.80 and 2,980,038,224.28 is: 4,112,449,619.90
Step by Step Solution
- Step 1: Write the proportion equation
5,486,162,552.40 : 7,570,898,560.80 = 2,980,038,224.28 : x - Step 2: Convert to fraction form
5,486,162,552.40/7,570,898,560.80 = 2,980,038,224.28/x - Step 3: Cross multiply
5,486,162,552.40x = 7,570,898,560.80 × 2,980,038,224.28 - Step 4: Simplify right side
5,486,162,552.40x = 22,561,567,103,330,443,264 - Step 5: Solve for x
x = 22,561,567,103,330,443,264/5,486,162,552.40 - Step 6: Final answer
x = 4,112,449,619.90
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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.