Finding the Fourth Proportional to 7,997,197,299.55, 11,030,818,318.04 and 5,142,948,113.99
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Solution
The fourth proportional to 7,997,197,299.55, 11,030,818,318.04 and 5,142,948,113.99 is: 7,093,851,025.50
Step by Step Solution
- Step 1: Write the proportion equation
7,997,197,299.55 : 11,030,818,318.04 = 5,142,948,113.99 : x - Step 2: Convert to fraction form
7,997,197,299.55/11,030,818,318.04 = 5,142,948,113.99/x - Step 3: Cross multiply
7,997,197,299.55x = 11,030,818,318.04 × 5,142,948,113.99 - Step 4: Simplify right side
7,997,197,299.55x = 56,730,926,264,568,029,184 - Step 5: Solve for x
x = 56,730,926,264,568,029,184/7,997,197,299.55 - Step 6: Final answer
x = 7,093,851,025.50
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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.