Finding the Fourth Proportional to 374,510,772.51, 516,825,716.36 and 207,259,203.93
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Solution
The fourth proportional to 374,510,772.51, 516,825,716.36 and 207,259,203.93 is: 286,018,171.99
Step by Step Solution
- Step 1: Write the proportion equation
374,510,772.51 : 516,825,716.36 = 207,259,203.93 : x - Step 2: Convert to fraction form
374,510,772.51/516,825,716.36 = 207,259,203.93/x - Step 3: Cross multiply
374,510,772.51x = 516,825,716.36 × 207,259,203.93 - Step 4: Simplify right side
374,510,772.51x = 107,116,886,543,325,584 - Step 5: Solve for x
x = 107,116,886,543,325,584/374,510,772.51 - Step 6: Final answer
x = 286,018,171.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.