Finding the Fourth Proportional to 2,117,380,926.06, 2,922,066,303.84 and 1,177,651,520.46
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Solution
The fourth proportional to 2,117,380,926.06, 2,922,066,303.84 and 1,177,651,520.46 is: 1,625,203,940.99
Step by Step Solution
- Step 1: Write the proportion equation
2,117,380,926.06 : 2,922,066,303.84 = 1,177,651,520.46 : x - Step 2: Convert to fraction form
2,117,380,926.06/2,922,066,303.84 = 1,177,651,520.46/x - Step 3: Cross multiply
2,117,380,926.06x = 2,922,066,303.84 × 1,177,651,520.46 - Step 4: Simplify right side
2,117,380,926.06x = 3,441,175,825,602,108,416 - Step 5: Solve for x
x = 3,441,175,825,602,108,416/2,117,380,926.06 - Step 6: Final answer
x = 1,625,203,940.99
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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.