Finding the Fourth Proportional to 2,405,366,212,128.60, 3,319,422,640,706 and 1,307,940,958,110.10
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Solution
The fourth proportional to 2,405,366,212,128.60, 3,319,422,640,706 and 1,307,940,958,110.10 is: 1,804,967,911,815.52
Step by Step Solution
- Step 1: Write the proportion equation
2,405,366,212,128.60 : 3,319,422,640,706 = 1,307,940,958,110.10 : x - Step 2: Convert to fraction form
2,405,366,212,128.60/3,319,422,640,706 = 1,307,940,958,110.10/x - Step 3: Cross multiply
2,405,366,212,128.60x = 3,319,422,640,706 × 1,307,940,958,110.10 - Step 4: Simplify right side
2,405,366,212,128.60x = 4,341,608,829,057,364,331,069,440 - Step 5: Solve for x
x = 4,341,608,829,057,364,331,069,440/2,405,366,212,128.60 - Step 6: Final answer
x = 1,804,967,911,815.52
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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.