Finding the Fourth Proportional to 2,645,070,134.63, 3,650,197,381.61 and 1,455,639,103.31
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Solution
The fourth proportional to 2,645,070,134.63, 3,650,197,381.61 and 1,455,639,103.31 is: 2,008,782,290.45
Step by Step Solution
- Step 1: Write the proportion equation
2,645,070,134.63 : 3,650,197,381.61 = 1,455,639,103.31 : x - Step 2: Convert to fraction form
2,645,070,134.63/3,650,197,381.61 = 1,455,639,103.31/x - Step 3: Cross multiply
2,645,070,134.63x = 3,650,197,381.61 × 1,455,639,103.31 - Step 4: Simplify right side
2,645,070,134.63x = 5,313,370,043,445,761,024 - Step 5: Solve for x
x = 5,313,370,043,445,761,024/2,645,070,134.63 - Step 6: Final answer
x = 2,008,782,290.45
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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.