Finding the Fourth Proportional to 7,135,218,385.60, 10,702,827,578.40 and 1,965,360,337.60
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Solution
The fourth proportional to 7,135,218,385.60, 10,702,827,578.40 and 1,965,360,337.60 is: 2,948,040,506.40
Step by Step Solution
- Step 1: Write the proportion equation
7,135,218,385.60 : 10,702,827,578.40 = 1,965,360,337.60 : x - Step 2: Convert to fraction form
7,135,218,385.60/10,702,827,578.40 = 1,965,360,337.60/x - Step 3: Cross multiply
7,135,218,385.60x = 10,702,827,578.40 × 1,965,360,337.60 - Step 4: Simplify right side
7,135,218,385.60x = 21,034,912,822,758,813,696 - Step 5: Solve for x
x = 21,034,912,822,758,813,696/7,135,218,385.60 - Step 6: Final answer
x = 2,948,040,506.40
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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.