Finding the Fourth Proportional to 664,433,776.10, 996,650,664.15 and 354,497,384.90
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Solution
The fourth proportional to 664,433,776.10, 996,650,664.15 and 354,497,384.90 is: 531,746,077.35
Step by Step Solution
- Step 1: Write the proportion equation
664,433,776.10 : 996,650,664.15 = 354,497,384.90 : x - Step 2: Convert to fraction form
664,433,776.10/996,650,664.15 = 354,497,384.90/x - Step 3: Cross multiply
664,433,776.10x = 996,650,664.15 × 354,497,384.90 - Step 4: Simplify right side
664,433,776.10x = 353,310,054,100,023,168 - Step 5: Solve for x
x = 353,310,054,100,023,168/664,433,776.10 - Step 6: Final answer
x = 531,746,077.35
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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.