Finding the Fourth Proportional to 1,643,471,842.88, 2,463,664,591.12 and 552,191,735.36
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Solution
The fourth proportional to 1,643,471,842.88, 2,463,664,591.12 and 552,191,735.36 is: 827,769,110.75
Step by Step Solution
- Step 1: Write the proportion equation
1,643,471,842.88 : 2,463,664,591.12 = 552,191,735.36 : x - Step 2: Convert to fraction form
1,643,471,842.88/2,463,664,591.12 = 552,191,735.36/x - Step 3: Cross multiply
1,643,471,842.88x = 2,463,664,591.12 × 552,191,735.36 - Step 4: Simplify right side
1,643,471,842.88x = 1,360,415,225,915,537,664 - Step 5: Solve for x
x = 1,360,415,225,915,537,664/1,643,471,842.88 - Step 6: Final answer
x = 827,769,110.75
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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.