Finding the Fourth Proportional to 968,954,796.80, 1,453,432,195.20 and 900,080,043.20
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Solution
The fourth proportional to 968,954,796.80, 1,453,432,195.20 and 900,080,043.20 is: 1,350,120,064.80
Step by Step Solution
- Step 1: Write the proportion equation
968,954,796.80 : 1,453,432,195.20 = 900,080,043.20 : x - Step 2: Convert to fraction form
968,954,796.80/1,453,432,195.20 = 900,080,043.20/x - Step 3: Cross multiply
968,954,796.80x = 1,453,432,195.20 × 900,080,043.20 - Step 4: Simplify right side
968,954,796.80x = 1,308,205,313,043,886,848 - Step 5: Solve for x
x = 1,308,205,313,043,886,848/968,954,796.80 - Step 6: Final answer
x = 1,350,120,064.80
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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.