Finding the Fourth Proportional to 303,363,805.70, 455,045,708.55 and 294,860,749.70
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Solution
The fourth proportional to 303,363,805.70, 455,045,708.55 and 294,860,749.70 is: 442,291,124.55
Step by Step Solution
- Step 1: Write the proportion equation
303,363,805.70 : 455,045,708.55 = 294,860,749.70 : x - Step 2: Convert to fraction form
303,363,805.70/455,045,708.55 = 294,860,749.70/x - Step 3: Cross multiply
303,363,805.70x = 455,045,708.55 × 294,860,749.70 - Step 4: Simplify right side
303,363,805.70x = 134,175,118,770,820,704 - Step 5: Solve for x
x = 134,175,118,770,820,704/303,363,805.70 - Step 6: Final answer
x = 442,291,124.55
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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.