Finding the Fourth Proportional to 984,261,159.04, 1,357,640,394.57 and 631,278,046.84
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Solution
The fourth proportional to 984,261,159.04, 1,357,640,394.57 and 631,278,046.84 is: 870,753,223.09
Step by Step Solution
- Step 1: Write the proportion equation
984,261,159.04 : 1,357,640,394.57 = 631,278,046.84 : x - Step 2: Convert to fraction form
984,261,159.04/1,357,640,394.57 = 631,278,046.84/x - Step 3: Cross multiply
984,261,159.04x = 1,357,640,394.57 × 631,278,046.84 - Step 4: Simplify right side
984,261,159.04x = 857,048,576,595,236,608 - Step 5: Solve for x
x = 857,048,576,595,236,608/984,261,159.04 - Step 6: Final answer
x = 870,753,223.09
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1.5x scale
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.