Finding the Fourth Proportional to 481,660,567.13, 664,709,854.32 and 269,971,310.32
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Solution
The fourth proportional to 481,660,567.13, 664,709,854.32 and 269,971,310.32 is: 372,570,649.54
Step by Step Solution
- Step 1: Write the proportion equation
481,660,567.13 : 664,709,854.32 = 269,971,310.32 : x - Step 2: Convert to fraction form
481,660,567.13/664,709,854.32 = 269,971,310.32/x - Step 3: Cross multiply
481,660,567.13x = 664,709,854.32 × 269,971,310.32 - Step 4: Simplify right side
481,660,567.13x = 179,452,590,353,386,720 - Step 5: Solve for x
x = 179,452,590,353,386,720/481,660,567.13 - Step 6: Final answer
x = 372,570,649.54
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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.