Finding the Fourth Proportional to 997,278,320.40, 1,495,917,480.60 and 270,267,032.40
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Solution
The fourth proportional to 997,278,320.40, 1,495,917,480.60 and 270,267,032.40 is: 405,400,548.60
Step by Step Solution
- Step 1: Write the proportion equation
997,278,320.40 : 1,495,917,480.60 = 270,267,032.40 : x - Step 2: Convert to fraction form
997,278,320.40/1,495,917,480.60 = 270,267,032.40/x - Step 3: Cross multiply
997,278,320.40x = 1,495,917,480.60 × 270,267,032.40 - Step 4: Simplify right side
997,278,320.40x = 404,297,178,197,046,528 - Step 5: Solve for x
x = 404,297,178,197,046,528/997,278,320.40 - Step 6: Final answer
x = 405,400,548.60
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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.