Finding the Fourth Proportional to 3,995,778,840.20, 5,993,668,260.30 and 1,697,765,553.80
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Solution
The fourth proportional to 3,995,778,840.20, 5,993,668,260.30 and 1,697,765,553.80 is: 2,546,648,330.70
Step by Step Solution
- Step 1: Write the proportion equation
3,995,778,840.20 : 5,993,668,260.30 = 1,697,765,553.80 : x - Step 2: Convert to fraction form
3,995,778,840.20/5,993,668,260.30 = 1,697,765,553.80/x - Step 3: Cross multiply
3,995,778,840.20x = 5,993,668,260.30 × 1,697,765,553.80 - Step 4: Simplify right side
3,995,778,840.20x = 10,175,843,513,241,712,640 - Step 5: Solve for x
x = 10,175,843,513,241,712,640/3,995,778,840.20 - Step 6: Final answer
x = 2,546,648,330.70
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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.