Finding the Fourth Proportional to 733,913,007.05, 1,012,800,115.05 and 403,888,146.05
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Solution
The fourth proportional to 733,913,007.05, 1,012,800,115.05 and 403,888,146.05 is: 557,365,732.53
Step by Step Solution
- Step 1: Write the proportion equation
733,913,007.05 : 1,012,800,115.05 = 403,888,146.05 : x - Step 2: Convert to fraction form
733,913,007.05/1,012,800,115.05 = 403,888,146.05/x - Step 3: Cross multiply
733,913,007.05x = 1,012,800,115.05 × 403,888,146.05 - Step 4: Simplify right side
733,913,007.05x = 409,057,960,786,771,200 - Step 5: Solve for x
x = 409,057,960,786,771,200/733,913,007.05 - Step 6: Final answer
x = 557,365,732.53
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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.