Finding the Fourth Proportional to 15,312,844,891.80, 22,969,267,337.70 and 5,993,495,515.80
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Solution
The fourth proportional to 15,312,844,891.80, 22,969,267,337.70 and 5,993,495,515.80 is: 8,990,243,273.70
Step by Step Solution
- Step 1: Write the proportion equation
15,312,844,891.80 : 22,969,267,337.70 = 5,993,495,515.80 : x - Step 2: Convert to fraction form
15,312,844,891.80/22,969,267,337.70 = 5,993,495,515.80/x - Step 3: Cross multiply
15,312,844,891.80x = 22,969,267,337.70 × 5,993,495,515.80 - Step 4: Simplify right side
15,312,844,891.80x = 137,666,200,789,716,369,408 - Step 5: Solve for x
x = 137,666,200,789,716,369,408/15,312,844,891.80 - Step 6: Final answer
x = 8,990,243,273.70
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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.