Finding the Fourth Proportional to 3,778,473,346.62, 5,216,180,991.30 and 2,350,004,888.76
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Solution
The fourth proportional to 3,778,473,346.62, 5,216,180,991.30 and 2,350,004,888.76 is: 3,244,180,838.59
Step by Step Solution
- Step 1: Write the proportion equation
3,778,473,346.62 : 5,216,180,991.30 = 2,350,004,888.76 : x - Step 2: Convert to fraction form
3,778,473,346.62/5,216,180,991.30 = 2,350,004,888.76/x - Step 3: Cross multiply
3,778,473,346.62x = 5,216,180,991.30 × 2,350,004,888.76 - Step 4: Simplify right side
3,778,473,346.62x = 12,258,050,830,211,985,408 - Step 5: Solve for x
x = 12,258,050,830,211,985,408/3,778,473,346.62 - Step 6: Final answer
x = 3,244,180,838.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.