Finding the Fourth Proportional to 8,584,748,423.60, 12,877,122,635.40 and 7,207,253,351.60
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Solution
The fourth proportional to 8,584,748,423.60, 12,877,122,635.40 and 7,207,253,351.60 is: 10,810,880,027.40
Step by Step Solution
- Step 1: Write the proportion equation
8,584,748,423.60 : 12,877,122,635.40 = 7,207,253,351.60 : x - Step 2: Convert to fraction form
8,584,748,423.60/12,877,122,635.40 = 7,207,253,351.60/x - Step 3: Cross multiply
8,584,748,423.60x = 12,877,122,635.40 × 7,207,253,351.60 - Step 4: Simplify right side
8,584,748,423.60x = 92,808,685,272,950,882,304 - Step 5: Solve for x
x = 92,808,685,272,950,882,304/8,584,748,423.60 - Step 6: Final answer
x = 10,810,880,027.40
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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.