Finding the Fourth Proportional to 6,399,790,766.42, 8,831,646,204.29 and 3,541,938,528.42
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Solution
The fourth proportional to 6,399,790,766.42, 8,831,646,204.29 and 3,541,938,528.42 is: 4,887,839,165.70
Step by Step Solution
- Step 1: Write the proportion equation
6,399,790,766.42 : 8,831,646,204.29 = 3,541,938,528.42 : x - Step 2: Convert to fraction form
6,399,790,766.42/8,831,646,204.29 = 3,541,938,528.42/x - Step 3: Cross multiply
6,399,790,766.42x = 8,831,646,204.29 × 3,541,938,528.42 - Step 4: Simplify right side
6,399,790,766.42x = 31,281,147,960,344,395,776 - Step 5: Solve for x
x = 31,281,147,960,344,395,776/6,399,790,766.42 - Step 6: Final answer
x = 4,887,839,165.70
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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.