Finding the Fourth Proportional to 2,623,507,767.09, 3,935,261,650.80 and 876,710,503.68
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Solution
The fourth proportional to 2,623,507,767.09, 3,935,261,650.80 and 876,710,503.68 is: 1,315,065,755.58
Step by Step Solution
- Step 1: Write the proportion equation
2,623,507,767.09 : 3,935,261,650.80 = 876,710,503.68 : x - Step 2: Convert to fraction form
2,623,507,767.09/3,935,261,650.80 = 876,710,503.68/x - Step 3: Cross multiply
2,623,507,767.09x = 3,935,261,650.80 × 876,710,503.68 - Step 4: Simplify right side
2,623,507,767.09x = 3,450,085,223,985,456,128 - Step 5: Solve for x
x = 3,450,085,223,985,456,128/2,623,507,767.09 - Step 6: Final answer
x = 1,315,065,755.58
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1.5x scale
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.