Finding the Fourth Proportional to 414,691,239.63, 572,273,888.81 and 223,952,238.74
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Solution
The fourth proportional to 414,691,239.63, 572,273,888.81 and 223,952,238.74 is: 309,054,077.65
Step by Step Solution
- Step 1: Write the proportion equation
414,691,239.63 : 572,273,888.81 = 223,952,238.74 : x - Step 2: Convert to fraction form
414,691,239.63/572,273,888.81 = 223,952,238.74/x - Step 3: Cross multiply
414,691,239.63x = 572,273,888.81 × 223,952,238.74 - Step 4: Simplify right side
414,691,239.63x = 128,162,018,571,445,328 - Step 5: Solve for x
x = 128,162,018,571,445,328/414,691,239.63 - Step 6: Final answer
x = 309,054,077.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.