Finding the Fourth Proportional to 1,577,949,683.40, 2,366,924,525.10 and 658,485,894.60
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Solution
The fourth proportional to 1,577,949,683.40, 2,366,924,525.10 and 658,485,894.60 is: 987,728,841.90
Step by Step Solution
- Step 1: Write the proportion equation
1,577,949,683.40 : 2,366,924,525.10 = 658,485,894.60 : x - Step 2: Convert to fraction form
1,577,949,683.40/2,366,924,525.10 = 658,485,894.60/x - Step 3: Cross multiply
1,577,949,683.40x = 2,366,924,525.10 × 658,485,894.60 - Step 4: Simplify right side
1,577,949,683.40x = 1,558,586,413,361,153,536 - Step 5: Solve for x
x = 1,558,586,413,361,153,536/1,577,949,683.40 - Step 6: Final answer
x = 987,728,841.90
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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.