Finding the Fourth Proportional to 1,282,187,033.02, 1,923,612,143.28 and 750,847,186.63
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Solution
The fourth proportional to 1,282,187,033.02, 1,923,612,143.28 and 750,847,186.63 is: 1,126,464,960.85
Step by Step Solution
- Step 1: Write the proportion equation
1,282,187,033.02 : 1,923,612,143.28 = 750,847,186.63 : x - Step 2: Convert to fraction form
1,282,187,033.02/1,923,612,143.28 = 750,847,186.63/x - Step 3: Cross multiply
1,282,187,033.02x = 1,923,612,143.28 × 750,847,186.63 - Step 4: Simplify right side
1,282,187,033.02x = 1,444,338,765,949,092,352 - Step 5: Solve for x
x = 1,444,338,765,949,092,352/1,282,187,033.02 - Step 6: Final answer
x = 1,126,464,960.85
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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.