Finding the Fourth Proportional to 282,055,635.68, 422,860,942.47 and 178,205,948.08
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Solution
The fourth proportional to 282,055,635.68, 422,860,942.47 and 178,205,948.08 is: 267,168,337.11
Step by Step Solution
- Step 1: Write the proportion equation
282,055,635.68 : 422,860,942.47 = 178,205,948.08 : x - Step 2: Convert to fraction form
282,055,635.68/422,860,942.47 = 178,205,948.08/x - Step 3: Cross multiply
282,055,635.68x = 422,860,942.47 × 178,205,948.08 - Step 4: Simplify right side
282,055,635.68x = 75,356,335,156,754,384 - Step 5: Solve for x
x = 75,356,335,156,754,384/282,055,635.68 - Step 6: Final answer
x = 267,168,337.11
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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.