Finding the Fourth Proportional to 934,337,625.70, 1,401,506,438.55 and 934,337,625.70
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Solution
The fourth proportional to 934,337,625.70, 1,401,506,438.55 and 934,337,625.70 is: 1,401,506,438.55
Step by Step Solution
- Step 1: Write the proportion equation
934,337,625.70 : 1,401,506,438.55 = 934,337,625.70 : x - Step 2: Convert to fraction form
934,337,625.70/1,401,506,438.55 = 934,337,625.70/x - Step 3: Cross multiply
934,337,625.70x = 1,401,506,438.55 × 934,337,625.70 - Step 4: Simplify right side
934,337,625.70x = 1,309,480,198,198,070,016 - Step 5: Solve for x
x = 1,309,480,198,198,070,016/934,337,625.70 - Step 6: Final answer
x = 1,401,506,438.55
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Double scale
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Similar ratio
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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.