Finding the Fourth Proportional to 1,761,364,153.40, 2,642,046,230.10 and 1,180,888,863.80
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Solution
The fourth proportional to 1,761,364,153.40, 2,642,046,230.10 and 1,180,888,863.80 is: 1,771,333,295.70
Step by Step Solution
- Step 1: Write the proportion equation
1,761,364,153.40 : 2,642,046,230.10 = 1,180,888,863.80 : x - Step 2: Convert to fraction form
1,761,364,153.40/2,642,046,230.10 = 1,180,888,863.80/x - Step 3: Cross multiply
1,761,364,153.40x = 2,642,046,230.10 × 1,180,888,863.80 - Step 4: Simplify right side
1,761,364,153.40x = 3,119,962,970,769,862,144 - Step 5: Solve for x
x = 3,119,962,970,769,862,144/1,761,364,153.40 - Step 6: Final answer
x = 1,771,333,295.70
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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.