Finding the Fourth Proportional to 3,539,495,790,422, 4,884,452,208,132.70 and 1,976,984,848,247.50
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Solution
The fourth proportional to 3,539,495,790,422, 4,884,452,208,132.70 and 1,976,984,848,247.50 is: 2,728,210,055,680.30
Step by Step Solution
- Step 1: Write the proportion equation
3,539,495,790,422 : 4,884,452,208,132.70 = 1,976,984,848,247.50 : x - Step 2: Convert to fraction form
3,539,495,790,422/4,884,452,208,132.70 = 1,976,984,848,247.50/x - Step 3: Cross multiply
3,539,495,790,422x = 4,884,452,208,132.70 × 1,976,984,848,247.50 - Step 4: Simplify right side
3,539,495,790,422x = 9,656,488,007,467,392,382,795,776 - Step 5: Solve for x
x = 9,656,488,007,467,392,382,795,776/3,539,495,790,422 - Step 6: Final answer
x = 2,728,210,055,680.30
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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.