Finding the Fourth Proportional to 1,181,952,330.80, 1,772,928,496.20 and 1,125,517,233.20
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Solution
The fourth proportional to 1,181,952,330.80, 1,772,928,496.20 and 1,125,517,233.20 is: 1,688,275,849.80
Step by Step Solution
- Step 1: Write the proportion equation
1,181,952,330.80 : 1,772,928,496.20 = 1,125,517,233.20 : x - Step 2: Convert to fraction form
1,181,952,330.80/1,772,928,496.20 = 1,125,517,233.20/x - Step 3: Cross multiply
1,181,952,330.80x = 1,772,928,496.20 × 1,125,517,233.20 - Step 4: Simplify right side
1,181,952,330.80x = 1,995,461,575,704,460,800 - Step 5: Solve for x
x = 1,995,461,575,704,460,800/1,181,952,330.80 - Step 6: Final answer
x = 1,688,275,849.80
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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.