Finding the Fourth Proportional to 1,972,650,480.96, 2,722,301,651.52 and 1,125,860,818.88
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Solution
The fourth proportional to 1,972,650,480.96, 2,722,301,651.52 and 1,125,860,818.88 is: 1,553,713,035.43
Step by Step Solution
- Step 1: Write the proportion equation
1,972,650,480.96 : 2,722,301,651.52 = 1,125,860,818.88 : x - Step 2: Convert to fraction form
1,972,650,480.96/2,722,301,651.52 = 1,125,860,818.88/x - Step 3: Cross multiply
1,972,650,480.96x = 2,722,301,651.52 × 1,125,860,818.88 - Step 4: Simplify right side
1,972,650,480.96x = 3,064,932,766,618,683,904 - Step 5: Solve for x
x = 3,064,932,766,618,683,904/1,972,650,480.96 - Step 6: Final answer
x = 1,553,713,035.43
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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.