Finding the Fourth Proportional to 403,552,403.20, 605,328,604.80 and 219,408,096.70
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Solution
The fourth proportional to 403,552,403.20, 605,328,604.80 and 219,408,096.70 is: 329,112,145.05
Step by Step Solution
- Step 1: Write the proportion equation
403,552,403.20 : 605,328,604.80 = 219,408,096.70 : x - Step 2: Convert to fraction form
403,552,403.20/605,328,604.80 = 219,408,096.70/x - Step 3: Cross multiply
403,552,403.20x = 605,328,604.80 × 219,408,096.70 - Step 4: Simplify right side
403,552,403.20x = 132,813,997,057,234,464 - Step 5: Solve for x
x = 132,813,997,057,234,464/403,552,403.20 - Step 6: Final answer
x = 329,112,145.05
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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.