Finding the Fourth Proportional to 4,903,462,301.96, 6,766,920,880.98 and 2,675,937,968.84
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Solution
The fourth proportional to 4,903,462,301.96, 6,766,920,880.98 and 2,675,937,968.84 is: 3,692,872,383.32
Step by Step Solution
- Step 1: Write the proportion equation
4,903,462,301.96 : 6,766,920,880.98 = 2,675,937,968.84 : x - Step 2: Convert to fraction form
4,903,462,301.96/6,766,920,880.98 = 2,675,937,968.84/x - Step 3: Cross multiply
4,903,462,301.96x = 6,766,920,880.98 × 2,675,937,968.84 - Step 4: Simplify right side
4,903,462,301.96x = 18,107,860,517,550,604,288 - Step 5: Solve for x
x = 18,107,860,517,550,604,288/4,903,462,301.96 - Step 6: Final answer
x = 3,692,872,383.32
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1.5x scale
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.