Finding the Fourth Proportional to 1,761,364,220.40, 2,642,046,330.60 and 1,180,888,930.80
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Solution
The fourth proportional to 1,761,364,220.40, 2,642,046,330.60 and 1,180,888,930.80 is: 1,771,333,396.20
Step by Step Solution
- Step 1: Write the proportion equation
1,761,364,220.40 : 2,642,046,330.60 = 1,180,888,930.80 : x - Step 2: Convert to fraction form
1,761,364,220.40/2,642,046,330.60 = 1,180,888,930.80/x - Step 3: Cross multiply
1,761,364,220.40x = 2,642,046,330.60 × 1,180,888,930.80 - Step 4: Simplify right side
1,761,364,220.40x = 3,119,963,266,466,296,832 - Step 5: Solve for x
x = 3,119,963,266,466,296,832/1,761,364,220.40 - Step 6: Final answer
x = 1,771,333,396.20
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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.