Finding the Fourth Proportional to 1,939,287,643.14, 2,676,225,120.66 and 1,092,525,125.70
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Solution
The fourth proportional to 1,939,287,643.14, 2,676,225,120.66 and 1,092,525,125.70 is: 1,507,689,277.91
Step by Step Solution
- Step 1: Write the proportion equation
1,939,287,643.14 : 2,676,225,120.66 = 1,092,525,125.70 : x - Step 2: Convert to fraction form
1,939,287,643.14/2,676,225,120.66 = 1,092,525,125.70/x - Step 3: Cross multiply
1,939,287,643.14x = 2,676,225,120.66 × 1,092,525,125.70 - Step 4: Simplify right side
1,939,287,643.14x = 2,923,843,186,350,564,352 - Step 5: Solve for x
x = 2,923,843,186,350,564,352/1,939,287,643.14 - Step 6: Final answer
x = 1,507,689,277.91
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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.