Finding the Fourth Proportional to 809,247,924.21, 1,214,356,155.10 and 349,186,093.53
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Solution
The fourth proportional to 809,247,924.21, 1,214,356,155.10 and 349,186,093.53 is: 523,988,099.64
Step by Step Solution
- Step 1: Write the proportion equation
809,247,924.21 : 1,214,356,155.10 = 349,186,093.53 : x - Step 2: Convert to fraction form
809,247,924.21/1,214,356,155.10 = 349,186,093.53/x - Step 3: Cross multiply
809,247,924.21x = 1,214,356,155.10 × 349,186,093.53 - Step 4: Simplify right side
809,247,924.21x = 424,036,281,948,052,992 - Step 5: Solve for x
x = 424,036,281,948,052,992/809,247,924.21 - Step 6: Final answer
x = 523,988,099.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.