Finding the Fourth Proportional to 283,630,948.08, 391,440,800.64 and 166,254,900
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Solution
The fourth proportional to 283,630,948.08, 391,440,800.64 and 166,254,900 is: 229,449,401.09
Step by Step Solution
- Step 1: Write the proportion equation
283,630,948.08 : 391,440,800.64 = 166,254,900 : x - Step 2: Convert to fraction form
283,630,948.08/391,440,800.64 = 166,254,900/x - Step 3: Cross multiply
283,630,948.08x = 391,440,800.64 × 166,254,900 - Step 4: Simplify right side
283,630,948.08x = 65,078,951,166,323,136 - Step 5: Solve for x
x = 65,078,951,166,323,136/283,630,948.08 - Step 6: Final answer
x = 229,449,401.09
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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.