Finding the Fourth Proportional to 2,120,073,116.18, 2,925,643,877.62 and 1,180,275,738.62
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Solution
The fourth proportional to 2,120,073,116.18, 2,925,643,877.62 and 1,180,275,738.62 is: 1,628,748,773.91
Step by Step Solution
- Step 1: Write the proportion equation
2,120,073,116.18 : 2,925,643,877.62 = 1,180,275,738.62 : x - Step 2: Convert to fraction form
2,120,073,116.18/2,925,643,877.62 = 1,180,275,738.62/x - Step 3: Cross multiply
2,120,073,116.18x = 2,925,643,877.62 × 1,180,275,738.62 - Step 4: Simplify right side
2,120,073,116.18x = 3,453,066,488,579,447,296 - Step 5: Solve for x
x = 3,453,066,488,579,447,296/2,120,073,116.18 - Step 6: Final answer
x = 1,628,748,773.91
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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.