Finding the Fourth Proportional to 864,388,698.08, 1,296,179,381.57 and 311,618,324.48
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Solution
The fourth proportional to 864,388,698.08, 1,296,179,381.57 and 311,618,324.48 is: 467,281,962.39
Step by Step Solution
- Step 1: Write the proportion equation
864,388,698.08 : 1,296,179,381.57 = 311,618,324.48 : x - Step 2: Convert to fraction form
864,388,698.08/1,296,179,381.57 = 311,618,324.48/x - Step 3: Cross multiply
864,388,698.08x = 1,296,179,381.57 × 311,618,324.48 - Step 4: Simplify right side
864,388,698.08x = 403,913,247,102,327,040 - Step 5: Solve for x
x = 403,913,247,102,327,040/864,388,698.08 - Step 6: Final answer
x = 467,281,962.39
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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.