Finding the Fourth Proportional to 932,453,051.16, 1,286,751,476.79 and 514,756,367.58
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Solution
The fourth proportional to 932,453,051.16, 1,286,751,476.79 and 514,756,367.58 is: 710,345,164.67
Step by Step Solution
- Step 1: Write the proportion equation
932,453,051.16 : 1,286,751,476.79 = 514,756,367.58 : x - Step 2: Convert to fraction form
932,453,051.16/1,286,751,476.79 = 514,756,367.58/x - Step 3: Cross multiply
932,453,051.16x = 1,286,751,476.79 × 514,756,367.58 - Step 4: Simplify right side
932,453,051.16x = 662,363,516,170,621,056 - Step 5: Solve for x
x = 662,363,516,170,621,056/932,453,051.16 - Step 6: Final answer
x = 710,345,164.67
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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.