Finding the Fourth Proportional to 1,629,129,656.88, 2,248,272,957.06 and 960,102,938.16
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Solution
The fourth proportional to 1,629,129,656.88, 2,248,272,957.06 and 960,102,938.16 is: 1,324,985,683.46
Step by Step Solution
- Step 1: Write the proportion equation
1,629,129,656.88 : 2,248,272,957.06 = 960,102,938.16 : x - Step 2: Convert to fraction form
1,629,129,656.88/2,248,272,957.06 = 960,102,938.16/x - Step 3: Cross multiply
1,629,129,656.88x = 2,248,272,957.06 × 960,102,938.16 - Step 4: Simplify right side
1,629,129,656.88x = 2,158,573,471,858,977,280 - Step 5: Solve for x
x = 2,158,573,471,858,977,280/1,629,129,656.88 - Step 6: Final answer
x = 1,324,985,683.46
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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.