Finding the Fourth Proportional to 6,440,665,625.20, 9,659,402,802.36 and 2,759,753,568.88
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Solution
The fourth proportional to 6,440,665,625.20, 9,659,402,802.36 and 2,759,753,568.88 is: 4,138,946,641.29
Step by Step Solution
- Step 1: Write the proportion equation
6,440,665,625.20 : 9,659,402,802.36 = 2,759,753,568.88 : x - Step 2: Convert to fraction form
6,440,665,625.20/9,659,402,802.36 = 2,759,753,568.88/x - Step 3: Cross multiply
6,440,665,625.20x = 9,659,402,802.36 × 2,759,753,568.88 - Step 4: Simplify right side
6,440,665,625.20x = 26,657,571,357,062,488,064 - Step 5: Solve for x
x = 26,657,571,357,062,488,064/6,440,665,625.20 - Step 6: Final answer
x = 4,138,946,641.29
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1.5x scale
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.