Finding the Fourth Proportional to 352,427,137.17, 486,320,978.12 and 203,757,840.55
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Solution
The fourth proportional to 352,427,137.17, 486,320,978.12 and 203,757,840.55 is: 281,169,359.18
Step by Step Solution
- Step 1: Write the proportion equation
352,427,137.17 : 486,320,978.12 = 203,757,840.55 : x - Step 2: Convert to fraction form
352,427,137.17/486,320,978.12 = 203,757,840.55/x - Step 3: Cross multiply
352,427,137.17x = 486,320,978.12 × 203,757,840.55 - Step 4: Simplify right side
352,427,137.17x = 99,091,712,315,895,008 - Step 5: Solve for x
x = 99,091,712,315,895,008/352,427,137.17 - Step 6: Final answer
x = 281,169,359.18
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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.