Finding the Fourth Proportional to 2,989,361,808.90, 4,484,042,713.35 and 2,718,167,466.60
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Solution
The fourth proportional to 2,989,361,808.90, 4,484,042,713.35 and 2,718,167,466.60 is: 4,077,251,199.90
Step by Step Solution
- Step 1: Write the proportion equation
2,989,361,808.90 : 4,484,042,713.35 = 2,718,167,466.60 : x - Step 2: Convert to fraction form
2,989,361,808.90/4,484,042,713.35 = 2,718,167,466.60/x - Step 3: Cross multiply
2,989,361,808.90x = 4,484,042,713.35 × 2,718,167,466.60 - Step 4: Simplify right side
2,989,361,808.90x = 12,188,379,022,272,759,808 - Step 5: Solve for x
x = 12,188,379,022,272,759,808/2,989,361,808.90 - Step 6: Final answer
x = 4,077,251,199.90
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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.