Finding the Fourth Proportional to 566,916,981.96, 782,345,428.61 and 306,156,597.96
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Solution
The fourth proportional to 566,916,981.96, 782,345,428.61 and 306,156,597.96 is: 422,496,101.67
Step by Step Solution
- Step 1: Write the proportion equation
566,916,981.96 : 782,345,428.61 = 306,156,597.96 : x - Step 2: Convert to fraction form
566,916,981.96/782,345,428.61 = 306,156,597.96/x - Step 3: Cross multiply
566,916,981.96x = 782,345,428.61 × 306,156,597.96 - Step 4: Simplify right side
566,916,981.96x = 239,520,214,851,264,864 - Step 5: Solve for x
x = 239,520,214,851,264,864/566,916,981.96 - Step 6: Final answer
x = 422,496,101.67
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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.