Finding the Fourth Proportional to 442,868,404.10, 664,302,606.15 and 297,749,581.70
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Solution
The fourth proportional to 442,868,404.10, 664,302,606.15 and 297,749,581.70 is: 446,624,372.55
Step by Step Solution
- Step 1: Write the proportion equation
442,868,404.10 : 664,302,606.15 = 297,749,581.70 : x - Step 2: Convert to fraction form
442,868,404.10/664,302,606.15 = 297,749,581.70/x - Step 3: Cross multiply
442,868,404.10x = 664,302,606.15 × 297,749,581.70 - Step 4: Simplify right side
442,868,404.10x = 197,795,823,103,382,336 - Step 5: Solve for x
x = 197,795,823,103,382,336/442,868,404.10 - Step 6: Final answer
x = 446,624,372.55
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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.