Finding the Fourth Proportional to 2,090,886,726.80, 3,136,330,090.20 and 1,988,850,054.80
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Solution
The fourth proportional to 2,090,886,726.80, 3,136,330,090.20 and 1,988,850,054.80 is: 2,983,275,082.20
Step by Step Solution
- Step 1: Write the proportion equation
2,090,886,726.80 : 3,136,330,090.20 = 1,988,850,054.80 : x - Step 2: Convert to fraction form
2,090,886,726.80/3,136,330,090.20 = 1,988,850,054.80/x - Step 3: Cross multiply
2,090,886,726.80x = 3,136,330,090.20 × 1,988,850,054.80 - Step 4: Simplify right side
2,090,886,726.80x = 6,237,690,271,765,158,912 - Step 5: Solve for x
x = 6,237,690,271,765,158,912/2,090,886,726.80 - Step 6: Final answer
x = 2,983,275,082.20
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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.