Finding the Fourth Proportional to 4,661,368,318.56, 6,432,613,202.16 and 2,546,778,845.28
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Solution
The fourth proportional to 4,661,368,318.56, 6,432,613,202.16 and 2,546,778,845.28 is: 3,514,513,787.27
Step by Step Solution
- Step 1: Write the proportion equation
4,661,368,318.56 : 6,432,613,202.16 = 2,546,778,845.28 : x - Step 2: Convert to fraction form
4,661,368,318.56/6,432,613,202.16 = 2,546,778,845.28/x - Step 3: Cross multiply
4,661,368,318.56x = 6,432,613,202.16 × 2,546,778,845.28 - Step 4: Simplify right side
4,661,368,318.56x = 16,382,443,223,129,929,728 - Step 5: Solve for x
x = 16,382,443,223,129,929,728/4,661,368,318.56 - Step 6: Final answer
x = 3,514,513,787.27
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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.