Finding the Fourth Proportional to 3,084,488,376.12, 4,256,474,574.78 and 1,674,760,073.40
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Solution
The fourth proportional to 3,084,488,376.12, 4,256,474,574.78 and 1,674,760,073.40 is: 2,311,104,080.17
Step by Step Solution
- Step 1: Write the proportion equation
3,084,488,376.12 : 4,256,474,574.78 = 1,674,760,073.40 : x - Step 2: Convert to fraction form
3,084,488,376.12/4,256,474,574.78 = 1,674,760,073.40/x - Step 3: Cross multiply
3,084,488,376.12x = 4,256,474,574.78 × 1,674,760,073.40 - Step 4: Simplify right side
3,084,488,376.12x = 7,128,573,671,283,787,776 - Step 5: Solve for x
x = 7,128,573,671,283,787,776/3,084,488,376.12 - Step 6: Final answer
x = 2,311,104,080.17
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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.