Finding the Fourth Proportional to 943,674,584.19, 1,415,284,791.88 and 288,631,266.05
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Solution
The fourth proportional to 943,674,584.19, 1,415,284,791.88 and 288,631,266.05 is: 432,877,443.29
Step by Step Solution
- Step 1: Write the proportion equation
943,674,584.19 : 1,415,284,791.88 = 288,631,266.05 : x - Step 2: Convert to fraction form
943,674,584.19/1,415,284,791.88 = 288,631,266.05/x - Step 3: Cross multiply
943,674,584.19x = 1,415,284,791.88 × 288,631,266.05 - Step 4: Simplify right side
943,674,584.19x = 408,495,441,301,635,200 - Step 5: Solve for x
x = 408,495,441,301,635,200/943,674,584.19 - Step 6: Final answer
x = 432,877,443.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.