Finding the Fourth Proportional to 1,270,120,233.30, 1,904,840,227.65 and 349,777,795.38
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Solution
The fourth proportional to 1,270,120,233.30, 1,904,840,227.65 and 349,777,795.38 is: 524,573,026.95
Step by Step Solution
- Step 1: Write the proportion equation
1,270,120,233.30 : 1,904,840,227.65 = 349,777,795.38 : x - Step 2: Convert to fraction form
1,270,120,233.30/1,904,840,227.65 = 349,777,795.38/x - Step 3: Cross multiply
1,270,120,233.30x = 1,904,840,227.65 × 349,777,795.38 - Step 4: Simplify right side
1,270,120,233.30x = 666,270,815,378,554,368 - Step 5: Solve for x
x = 666,270,815,378,554,368/1,270,120,233.30 - Step 6: Final answer
x = 524,573,026.95
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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.