Finding the Fourth Proportional to 4,966,271,729.80, 7,446,720,209.10 and 2,058,520,510.60
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Solution
The fourth proportional to 4,966,271,729.80, 7,446,720,209.10 and 2,058,520,510.60 is: 3,086,666,844.09
Step by Step Solution
- Step 1: Write the proportion equation
4,966,271,729.80 : 7,446,720,209.10 = 2,058,520,510.60 : x - Step 2: Convert to fraction form
4,966,271,729.80/7,446,720,209.10 = 2,058,520,510.60/x - Step 3: Cross multiply
4,966,271,729.80x = 7,446,720,209.10 × 2,058,520,510.60 - Step 4: Simplify right side
4,966,271,729.80x = 15,329,226,287,131,871,232 - Step 5: Solve for x
x = 15,329,226,287,131,871,232/4,966,271,729.80 - Step 6: Final answer
x = 3,086,666,844.09
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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.