Finding the Fourth Proportional to 386,368,403.92, 579,478,666.80 and 150,017,933.68
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Solution
The fourth proportional to 386,368,403.92, 579,478,666.80 and 150,017,933.68 is: 224,998,191.68
Step by Step Solution
- Step 1: Write the proportion equation
386,368,403.92 : 579,478,666.80 = 150,017,933.68 : x - Step 2: Convert to fraction form
386,368,403.92/579,478,666.80 = 150,017,933.68/x - Step 3: Cross multiply
386,368,403.92x = 579,478,666.80 × 150,017,933.68 - Step 4: Simplify right side
386,368,403.92x = 86,932,192,204,977,216 - Step 5: Solve for x
x = 86,932,192,204,977,216/386,368,403.92 - Step 6: Final answer
x = 224,998,191.68
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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.