Finding the Fourth Proportional to 585,099,427.05, 807,438,288.48 and 317,174,431.05
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Solution
The fourth proportional to 585,099,427.05, 807,438,288.48 and 317,174,431.05 is: 437,701,299.84
Step by Step Solution
- Step 1: Write the proportion equation
585,099,427.05 : 807,438,288.48 = 317,174,431.05 : x - Step 2: Convert to fraction form
585,099,427.05/807,438,288.48 = 317,174,431.05/x - Step 3: Cross multiply
585,099,427.05x = 807,438,288.48 × 317,174,431.05 - Step 4: Simplify right side
585,099,427.05x = 256,098,779,756,629,792 - Step 5: Solve for x
x = 256,098,779,756,629,792/585,099,427.05 - Step 6: Final answer
x = 437,701,299.84
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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.