Finding the Fourth Proportional to 3,587,962,331.60, 5,381,943,497.40 and 2,620,503,515.60
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Solution
The fourth proportional to 3,587,962,331.60, 5,381,943,497.40 and 2,620,503,515.60 is: 3,930,755,273.40
Step by Step Solution
- Step 1: Write the proportion equation
3,587,962,331.60 : 5,381,943,497.40 = 2,620,503,515.60 : x - Step 2: Convert to fraction form
3,587,962,331.60/5,381,943,497.40 = 2,620,503,515.60/x - Step 3: Cross multiply
3,587,962,331.60x = 5,381,943,497.40 × 2,620,503,515.60 - Step 4: Simplify right side
3,587,962,331.60x = 14,103,401,855,697,258,496 - Step 5: Solve for x
x = 14,103,401,855,697,258,496/3,587,962,331.60 - Step 6: Final answer
x = 3,930,755,273.40
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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.