Finding the Fourth Proportional to 932,710,559.16, 1,286,675,672.34 and 556,101,538.68
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Solution
The fourth proportional to 932,710,559.16, 1,286,675,672.34 and 556,101,538.68 is: 767,142,940.69
Step by Step Solution
- Step 1: Write the proportion equation
932,710,559.16 : 1,286,675,672.34 = 556,101,538.68 : x - Step 2: Convert to fraction form
932,710,559.16/1,286,675,672.34 = 556,101,538.68/x - Step 3: Cross multiply
932,710,559.16x = 1,286,675,672.34 × 556,101,538.68 - Step 4: Simplify right side
932,710,559.16x = 715,522,321,170,397,440 - Step 5: Solve for x
x = 715,522,321,170,397,440/932,710,559.16 - Step 6: Final answer
x = 767,142,940.69
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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.