Finding the Fourth Proportional to 1,048,383,313.20, 1,572,574,969.80 and 703,502,161.20
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Solution
The fourth proportional to 1,048,383,313.20, 1,572,574,969.80 and 703,502,161.20 is: 1,055,253,241.80
Step by Step Solution
- Step 1: Write the proportion equation
1,048,383,313.20 : 1,572,574,969.80 = 703,502,161.20 : x - Step 2: Convert to fraction form
1,048,383,313.20/1,572,574,969.80 = 703,502,161.20/x - Step 3: Cross multiply
1,048,383,313.20x = 1,572,574,969.80 × 703,502,161.20 - Step 4: Simplify right side
1,048,383,313.20x = 1,106,309,889,903,324,800 - Step 5: Solve for x
x = 1,106,309,889,903,324,800/1,048,383,313.20 - Step 6: Final answer
x = 1,055,253,241.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.