Finding the Fourth Proportional to 373,643,557.00, 515,628,088.97 and 201,784,620.52
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Solution
The fourth proportional to 373,643,557.00, 515,628,088.97 and 201,784,620.52 is: 278,462,765.68
Step by Step Solution
- Step 1: Write the proportion equation
373,643,557.00 : 515,628,088.97 = 201,784,620.52 : x - Step 2: Convert to fraction form
373,643,557.00/515,628,088.97 = 201,784,620.52/x - Step 3: Cross multiply
373,643,557.00x = 515,628,088.97 × 201,784,620.52 - Step 4: Simplify right side
373,643,557.00x = 104,045,818,263,035,904 - Step 5: Solve for x
x = 104,045,818,263,035,904/373,643,557.00 - Step 6: Final answer
x = 278,462,765.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.