Finding the Fourth Proportional to 3,539,495,787,138.50, 4,884,452,203,590 and 1,976,984,844,953.90
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Solution
The fourth proportional to 3,539,495,787,138.50, 4,884,452,203,590 and 1,976,984,844,953.90 is: 2,728,210,051,128.75
Step by Step Solution
- Step 1: Write the proportion equation
3,539,495,787,138.50 : 4,884,452,203,590 = 1,976,984,844,953.90 : x - Step 2: Convert to fraction form
3,539,495,787,138.50/4,884,452,203,590 = 1,976,984,844,953.90/x - Step 3: Cross multiply
3,539,495,787,138.50x = 4,884,452,203,590 × 1,976,984,844,953.90 - Step 4: Simplify right side
3,539,495,787,138.50x = 9,656,487,982,399,111,385,055,232 - Step 5: Solve for x
x = 9,656,487,982,399,111,385,055,232/3,539,495,787,138.50 - Step 6: Final answer
x = 2,728,210,051,128.75
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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.