Finding the Fourth Proportional to 361,189,808.68, 498,356,548.50 and 212,517,419.08
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Solution
The fourth proportional to 361,189,808.68, 498,356,548.50 and 212,517,419.08 is: 293,223,797.91
Step by Step Solution
- Step 1: Write the proportion equation
361,189,808.68 : 498,356,548.50 = 212,517,419.08 : x - Step 2: Convert to fraction form
361,189,808.68/498,356,548.50 = 212,517,419.08/x - Step 3: Cross multiply
361,189,808.68x = 498,356,548.50 × 212,517,419.08 - Step 4: Simplify right side
361,189,808.68x = 105,909,447,468,836,848 - Step 5: Solve for x
x = 105,909,447,468,836,848/361,189,808.68 - Step 6: Final answer
x = 293,223,797.91
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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.