Finding the Fourth Proportional to 549,981,896.37, 760,973,608.11 and 479,564,344.68
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Solution
The fourth proportional to 549,981,896.37, 760,973,608.11 and 479,564,344.68 is: 663,541,494.91
Step by Step Solution
- Step 1: Write the proportion equation
549,981,896.37 : 760,973,608.11 = 479,564,344.68 : x - Step 2: Convert to fraction form
549,981,896.37/760,973,608.11 = 479,564,344.68/x - Step 3: Cross multiply
549,981,896.37x = 760,973,608.11 × 479,564,344.68 - Step 4: Simplify right side
549,981,896.37x = 364,935,809,692,047,296 - Step 5: Solve for x
x = 364,935,809,692,047,296/549,981,896.37 - Step 6: Final answer
x = 663,541,494.91
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1.5x scale
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.