Finding the Fourth Proportional to 351,043,083.36, 484,206,194.88 and 225,753,681.12
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Solution
The fourth proportional to 351,043,083.36, 484,206,194.88 and 225,753,681.12 is: 311,390,071.75
Step by Step Solution
- Step 1: Write the proportion equation
351,043,083.36 : 484,206,194.88 = 225,753,681.12 : x - Step 2: Convert to fraction form
351,043,083.36/484,206,194.88 = 225,753,681.12/x - Step 3: Cross multiply
351,043,083.36x = 484,206,194.88 × 225,753,681.12 - Step 4: Simplify right side
351,043,083.36x = 109,311,330,915,268,096 - Step 5: Solve for x
x = 109,311,330,915,268,096/351,043,083.36 - Step 6: Final answer
x = 311,390,071.75
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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.