Finding the Fourth Proportional to 426,425,366.64, 588,497,457.26 and 235,682,280.75
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Solution
The fourth proportional to 426,425,366.64, 588,497,457.26 and 235,682,280.75 is: 325,258,377.65
Step by Step Solution
- Step 1: Write the proportion equation
426,425,366.64 : 588,497,457.26 = 235,682,280.75 : x - Step 2: Convert to fraction form
426,425,366.64/588,497,457.26 = 235,682,280.75/x - Step 3: Cross multiply
426,425,366.64x = 588,497,457.26 × 235,682,280.75 - Step 4: Simplify right side
426,425,366.64x = 138,698,422,942,612,448 - Step 5: Solve for x
x = 138,698,422,942,612,448/426,425,366.64 - Step 6: Final answer
x = 325,258,377.65
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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.