Finding the Fourth Proportional to 403,899,286.23, 605,848,907.52 and 97,191,431.91
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Solution
The fourth proportional to 403,899,286.23, 605,848,907.52 and 97,191,431.91 is: 145,787,142.61
Step by Step Solution
- Step 1: Write the proportion equation
403,899,286.23 : 605,848,907.52 = 97,191,431.91 : x - Step 2: Convert to fraction form
403,899,286.23/605,848,907.52 = 97,191,431.91/x - Step 3: Cross multiply
403,899,286.23x = 605,848,907.52 × 97,191,431.91 - Step 4: Simplify right side
403,899,286.23x = 58,883,322,842,977,960 - Step 5: Solve for x
x = 58,883,322,842,977,960/403,899,286.23 - Step 6: Final answer
x = 145,787,142.61
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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.