Finding the Fourth Proportional to 2,214,869,386.80, 3,322,304,080.20 and 1,854,759,716.40
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Solution
The fourth proportional to 2,214,869,386.80, 3,322,304,080.20 and 1,854,759,716.40 is: 2,782,139,574.60
Step by Step Solution
- Step 1: Write the proportion equation
2,214,869,386.80 : 3,322,304,080.20 = 1,854,759,716.40 : x - Step 2: Convert to fraction form
2,214,869,386.80/3,322,304,080.20 = 1,854,759,716.40/x - Step 3: Cross multiply
2,214,869,386.80x = 3,322,304,080.20 × 1,854,759,716.40 - Step 4: Simplify right side
2,214,869,386.80x = 6,162,075,773,586,315,264 - Step 5: Solve for x
x = 6,162,075,773,586,315,264/2,214,869,386.80 - Step 6: Final answer
x = 2,782,139,574.60
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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.