Finding the Fourth Proportional to 2,518,121,505.80, 3,777,182,258.70 and 882,133,531.40
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Solution
The fourth proportional to 2,518,121,505.80, 3,777,182,258.70 and 882,133,531.40 is: 1,323,200,297.10
Step by Step Solution
- Step 1: Write the proportion equation
2,518,121,505.80 : 3,777,182,258.70 = 882,133,531.40 : x - Step 2: Convert to fraction form
2,518,121,505.80/3,777,182,258.70 = 882,133,531.40/x - Step 3: Cross multiply
2,518,121,505.80x = 3,777,182,258.70 × 882,133,531.40 - Step 4: Simplify right side
2,518,121,505.80x = 3,331,979,124,608,459,264 - Step 5: Solve for x
x = 3,331,979,124,608,459,264/2,518,121,505.80 - Step 6: Final answer
x = 1,323,200,297.10
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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.