Finding the Fourth Proportional to 2,125,774,427.10, 3,188,661,640.65 and 1,299,277,383.90
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Solution
The fourth proportional to 2,125,774,427.10, 3,188,661,640.65 and 1,299,277,383.90 is: 1,948,916,075.85
Step by Step Solution
- Step 1: Write the proportion equation
2,125,774,427.10 : 3,188,661,640.65 = 1,299,277,383.90 : x - Step 2: Convert to fraction form
2,125,774,427.10/3,188,661,640.65 = 1,299,277,383.90/x - Step 3: Cross multiply
2,125,774,427.10x = 3,188,661,640.65 × 1,299,277,383.90 - Step 4: Simplify right side
2,125,774,427.10x = 4,142,955,954,606,014,464 - Step 5: Solve for x
x = 4,142,955,954,606,014,464/2,125,774,427.10 - Step 6: Final answer
x = 1,948,916,075.85
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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.